Vector Calculus Questions and Answers
![If y= +2, what is the value of y when x = 3i?
21/5 + 128
%
25
25
0-25 + 2i
2²/5 + 1/8
O-1-18i
25
O- +18 i
25](https://media.kunduz.com/media/sug-question/raw/83751527-1660322351.8304908.jpeg?w=256)
Calculus
Vector CalculusIf y= +2, what is the value of y when x = 3i?
21/5 + 128
%
25
25
0-25 + 2i
2²/5 + 1/8
O-1-18i
25
O- +18 i
25
![Round to 2 significant figures.
5,239
Step 2: Now we need to round
up or down.
What is the answer rounded to
two significant figures?](https://media.kunduz.com/media/sug-question/raw/83741838-1660320833.5503309.jpeg?w=256)
Calculus
Vector CalculusRound to 2 significant figures.
5,239
Step 2: Now we need to round
up or down.
What is the answer rounded to
two significant figures?
![Let f(x) = sin(x) and g(x) = sin(x). Which of the following statements are correct? Select
all that apply.
g(f(2x)) = 2n
of
g(f(x)) is defined for all real numbers x
f(g(0)) = 0
f(g(x)) is defined for all real numbers.x
g(f(x)) = x for all real numbers.x
f(g(x)) = = x for all real numbers x](https://media.kunduz.com/media/sug-question/raw/83599438-1660320642.5627825.jpeg?w=256)
Calculus
Vector CalculusLet f(x) = sin(x) and g(x) = sin(x). Which of the following statements are correct? Select
all that apply.
g(f(2x)) = 2n
of
g(f(x)) is defined for all real numbers x
f(g(0)) = 0
f(g(x)) is defined for all real numbers.x
g(f(x)) = x for all real numbers.x
f(g(x)) = = x for all real numbers x
![Find an equation of the line that contains the given pair of points.
(24, 26), (7, 9)
D](https://media.kunduz.com/media/sug-question/raw/83743231-1660320633.0336602.jpeg?w=256)
Calculus
Vector CalculusFind an equation of the line that contains the given pair of points.
(24, 26), (7, 9)
D
![You need to arrange four of your favorite books along a small shelf. How many different ways can you arrange the books, assuming that the order of the books makes a difference to you?
ways
……](https://media.kunduz.com/media/sug-question/raw/83604085-1660320595.1950226.jpeg?w=256)
Calculus
Vector CalculusYou need to arrange four of your favorite books along a small shelf. How many different ways can you arrange the books, assuming that the order of the books makes a difference to you?
ways
……
![In how many ways can the expression a4 b5c³ be rewritten as a product without exponents?
The number of ways a4 b5c3 can be written without exponents is
A](https://media.kunduz.com/media/sug-question/raw/83609773-1660320367.6148963.jpeg?w=256)
Calculus
Vector CalculusIn how many ways can the expression a4 b5c³ be rewritten as a product without exponents?
The number of ways a4 b5c3 can be written without exponents is
A
![A roller coaster travels 350 feet
horizontally and then travels 130 feet
at an angle of 60° from the ground.
What is the direction of the resultant
vector?
[?]°](https://media.kunduz.com/media/sug-question/raw/83711650-1660320272.078699.jpeg?w=256)
Calculus
Vector CalculusA roller coaster travels 350 feet
horizontally and then travels 130 feet
at an angle of 60° from the ground.
What is the direction of the resultant
vector?
[?]°
![A mouse is trapped in a maze. To
find his way out, he walks 15 m east,
makes a 90° left turn, walks 8 m,
makes another 90° left turn, and
walks 10 m. What is the direction of
the resultant vector?](https://media.kunduz.com/media/sug-question/raw/83598337-1660320227.3338568.jpeg?w=256)
Calculus
Vector CalculusA mouse is trapped in a maze. To
find his way out, he walks 15 m east,
makes a 90° left turn, walks 8 m,
makes another 90° left turn, and
walks 10 m. What is the direction of
the resultant vector?
![Let y=2(x-5)2-6.
Part A: Is the given relation a function? Is it one-to-one? Explain completely. If it is not one-to-one, determine a possible restriction on the domain such that the relation is one-to-one.
Part B: Determine y¹. Show all necessary calculations. (5 points)
Part C: Prove algebraically that y and y¹ are inverse functions. (5 points)](https://media.kunduz.com/media/sug-question/raw/83597890-1660320197.36848.jpeg?w=256)
Calculus
Vector CalculusLet y=2(x-5)2-6.
Part A: Is the given relation a function? Is it one-to-one? Explain completely. If it is not one-to-one, determine a possible restriction on the domain such that the relation is one-to-one.
Part B: Determine y¹. Show all necessary calculations. (5 points)
Part C: Prove algebraically that y and y¹ are inverse functions. (5 points)
![Period =
Phase Shift =
Terminal point
Graph lies above y
Sketch the graph of the basic cycle of
y = 3 csc (2x + π/8)
Asym: are x =
Select the basic graph
A
=
below y =
=
X
y](https://media.kunduz.com/media/sug-question/raw/83598632-1660320154.2155156.jpeg?w=256)
Calculus
Vector CalculusPeriod =
Phase Shift =
Terminal point
Graph lies above y
Sketch the graph of the basic cycle of
y = 3 csc (2x + π/8)
Asym: are x =
Select the basic graph
A
=
below y =
=
X
y
![A club with eleven members is to choose three officers: president, vice-president, and secretary-treasurer. If each office is to be held by one person and no person can hold more than one office, in how
many ways can those offices be filled?
ways
COS](https://media.kunduz.com/media/sug-question/raw/83609832-1660319603.7629514.jpeg?w=256)
Calculus
Vector CalculusA club with eleven members is to choose three officers: president, vice-president, and secretary-treasurer. If each office is to be held by one person and no person can hold more than one office, in how
many ways can those offices be filled?
ways
COS
![If the odds in favor of E occurring are 27, then find P(E) and P(E').
P(E)= (Type an integer or a simplified fraction.)
P(E)= (Type an integer or a simplified fraction.)](https://media.kunduz.com/media/sug-question/raw/83603204-1660319570.340218.jpeg?w=256)
Calculus
Vector CalculusIf the odds in favor of E occurring are 27, then find P(E) and P(E').
P(E)= (Type an integer or a simplified fraction.)
P(E)= (Type an integer or a simplified fraction.)
![A car travels 10 km southeast and
then 15 km in a direction 60° north of
east. Find the magnitude of the car's
resultant vector.
[?] km](https://media.kunduz.com/media/sug-question/raw/83592536-1660319523.3341584.jpeg?w=256)
Calculus
Vector CalculusA car travels 10 km southeast and
then 15 km in a direction 60° north of
east. Find the magnitude of the car's
resultant vector.
[?] km
![A pedestrian walks at a rate of 6 km
per hour east. The wind pushes him
northwest at a rate of 13 km per
hour. Find the direction of the
resultant vector.
[?]°](https://media.kunduz.com/media/sug-question/raw/83599150-1660319519.4861631.jpeg?w=256)
Calculus
Vector CalculusA pedestrian walks at a rate of 6 km
per hour east. The wind pushes him
northwest at a rate of 13 km per
hour. Find the direction of the
resultant vector.
[?]°
![Find all points with coordinates of the form (a, a) that are a distance 7 from P(-3, 4).
(x, y) = (-3,-3)
(smaller x-value)
(x, y) = (4,4)
X
X
) (larger x-value)](https://media.kunduz.com/media/sug-question/raw/83599097-1660319477.7113395.jpeg?w=256)
Calculus
Vector CalculusFind all points with coordinates of the form (a, a) that are a distance 7 from P(-3, 4).
(x, y) = (-3,-3)
(smaller x-value)
(x, y) = (4,4)
X
X
) (larger x-value)
![Find the field in which the parametric equations are used.
O Linear Motion
O Projectile Motion
O Curve Sketching
O All of the choices](https://media.kunduz.com/media/sug-question/raw/83533306-1660319368.5831697.jpeg?w=256)
Calculus
Vector CalculusFind the field in which the parametric equations are used.
O Linear Motion
O Projectile Motion
O Curve Sketching
O All of the choices
![Identify the correct option regarding the compositions of two functions f(x)
and g(x).
(fog)(x) = g(f(x))
(fog)(x) = f(g(x))
(fog)(x) = f(x)g(x)
(fog)(x) = (f/g)(x-¹)](https://media.kunduz.com/media/sug-question/raw/83532594-1660316129.7798538.jpeg?w=256)
Calculus
Vector CalculusIdentify the correct option regarding the compositions of two functions f(x)
and g(x).
(fog)(x) = g(f(x))
(fog)(x) = f(g(x))
(fog)(x) = f(x)g(x)
(fog)(x) = (f/g)(x-¹)
![Which of the following represent vector quantities?
1. Displacement
II. Area
III. Volume](https://media.kunduz.com/media/sug-question/raw/83522855-1660316116.8009496.jpeg?w=256)
Calculus
Vector CalculusWhich of the following represent vector quantities?
1. Displacement
II. Area
III. Volume
![Represent the complex number 1 + √3 in polar form.
O2(cos 30° + isin 30°)
O2(cos 60° + isin 60°)
O2(cos 120° + isin 120°)
2(cos 90° + isin 90°)](https://media.kunduz.com/media/sug-question/raw/83522536-1660315892.8597038.jpeg?w=256)
Calculus
Vector CalculusRepresent the complex number 1 + √3 in polar form.
O2(cos 30° + isin 30°)
O2(cos 60° + isin 60°)
O2(cos 120° + isin 120°)
2(cos 90° + isin 90°)
![Find an equation of the tangent plane at the given point:
1
F(r, s) = 27³52,
(1, 1)
30.5
2 =
Note: Your answer should be a function of r and s.](https://media.kunduz.com/media/sug-question/raw/83507783-1660315745.8004463.jpeg?w=256)
Calculus
Vector CalculusFind an equation of the tangent plane at the given point:
1
F(r, s) = 27³52,
(1, 1)
30.5
2 =
Note: Your answer should be a function of r and s.
![Find a formula for a function f that satisfies the following conditions.
lim f(x) = 0,
lim f(x) = -00,
f(7) = 0,
X418
X-0
lim f(x) = 00,
X-8
lim f(x) = -00,
X-8+](https://media.kunduz.com/media/sug-question/raw/83597664-1660315703.9878464.jpeg?w=256)
Calculus
Vector CalculusFind a formula for a function f that satisfies the following conditions.
lim f(x) = 0,
lim f(x) = -00,
f(7) = 0,
X418
X-0
lim f(x) = 00,
X-8
lim f(x) = -00,
X-8+
![Find the angle between the vectors. (First find an exact expression and then approximate to the nearest degree.)
a = 3i - 8j + k, b = 9i - k](https://media.kunduz.com/media/sug-question/raw/83533928-1660315522.3063023.jpeg?w=256)
Calculus
Vector CalculusFind the angle between the vectors. (First find an exact expression and then approximate to the nearest degree.)
a = 3i - 8j + k, b = 9i - k
![Solve cos(x) = 0.42 on 0 < x < 2π
There are two solutions, A and B, with A B
A =
B =
Give your answers accurate to 3 decimal places](https://media.kunduz.com/media/sug-question/raw/83444851-1660315025.4076352.jpeg?w=256)
Calculus
Vector CalculusSolve cos(x) = 0.42 on 0 < x < 2π
There are two solutions, A and B, with A B
A =
B =
Give your answers accurate to 3 decimal places
![Find the lengths of the sides of the triangle PQR.
|PQ| =
|QR| =
|RP|
11
P(4, -2, -1), Q(8, 0, 3), R(10, -4, -1)
Is it a right triangle?
Yes
No
Is it an isosceles triangle?
Yes
No](https://media.kunduz.com/media/sug-question/raw/83525996-1660314947.5856054.jpeg?w=256)
Calculus
Vector CalculusFind the lengths of the sides of the triangle PQR.
|PQ| =
|QR| =
|RP|
11
P(4, -2, -1), Q(8, 0, 3), R(10, -4, -1)
Is it a right triangle?
Yes
No
Is it an isosceles triangle?
Yes
No
![Find the value of -3(- i | + 2 j - 4 k ).
7 +23-4k)!
3 i-6j+ 12 k
0-371-67-127
Ⓒ 37+-65-12 k
Q-3 i
k
-
6 + 12 k](https://media.kunduz.com/media/sug-question/raw/83523003-1660314855.8613458.jpeg?w=256)
Calculus
Vector CalculusFind the value of -3(- i | + 2 j - 4 k ).
7 +23-4k)!
3 i-6j+ 12 k
0-371-67-127
Ⓒ 37+-65-12 k
Q-3 i
k
-
6 + 12 k
![At what point on the curve y = x4 does the normal have a slope of 16?](https://media.kunduz.com/media/sug-question/raw/83507403-1660314496.2000518.jpeg?w=256)
![The symbol "||" is used to denote the
O Magnitude
O square
O square root
O subtraction
of a vector](https://media.kunduz.com/media/sug-question/raw/83524815-1660314464.8393252.jpeg?w=256)
Calculus
Vector CalculusThe symbol "||" is used to denote the
O Magnitude
O square
O square root
O subtraction
of a vector
![Let u = [2, 2, 1] and √ = [-4, 3, -8].
Find the scalar projection of u on
40
897
10
V89
30
89 ›
10
25 17
(0,25)
89 89 89
-10
√ 89
80
89
on :](https://media.kunduz.com/media/sug-question/raw/83531999-1660314321.8923948.jpeg?w=256)
Calculus
Vector CalculusLet u = [2, 2, 1] and √ = [-4, 3, -8].
Find the scalar projection of u on
40
897
10
V89
30
89 ›
10
25 17
(0,25)
89 89 89
-10
√ 89
80
89
on :
![23. Given = [1, 7, 9] and,
a) Find the angle between
= [-2, 5, -3] and w = [4, -6, 8].
and w. 13 Marks]
b) Are the vectors and and w coplanar? Show your answer algebraically. [3 Marks]](https://media.kunduz.com/media/sug-question/raw/83444274-1660313838.0192215.jpeg?w=256)
Calculus
Vector Calculus23. Given = [1, 7, 9] and,
a) Find the angle between
= [-2, 5, -3] and w = [4, -6, 8].
and w. 13 Marks]
b) Are the vectors and and w coplanar? Show your answer algebraically. [3 Marks]
![Find an equation of the sphere with center (3, -11, 6) and radius 10.
Use an equation to describe its intersection with each of the coordinate planes. (If the sphere does not intersect with the plane, enter DNE.)
intersection with xy-plane
intersection with xz-plane
intersection with yz-plane
70](https://media.kunduz.com/media/sug-question/raw/83526090-1660313810.4263768.jpeg?w=256)
Calculus
Vector CalculusFind an equation of the sphere with center (3, -11, 6) and radius 10.
Use an equation to describe its intersection with each of the coordinate planes. (If the sphere does not intersect with the plane, enter DNE.)
intersection with xy-plane
intersection with xz-plane
intersection with yz-plane
70
![Find the distance from (4, -9, 7) to, each of the following.
(a) the xy-plane
(b) the yz-plane
(c) the xz-plane.
(d) the x-axis
(e) the y-axis
(f) the z-axis](https://media.kunduz.com/media/sug-question/raw/83526042-1660313806.5845666.jpeg?w=256)
Calculus
Vector CalculusFind the distance from (4, -9, 7) to, each of the following.
(a) the xy-plane
(b) the yz-plane
(c) the xz-plane.
(d) the x-axis
(e) the y-axis
(f) the z-axis
![Which of the following matrices A can be multiplied with the vector B <2, 1,
3> to give the product AB?
A2×3 matrix
A3 x 2 matrix
A2 x 2 matrix
A 2x1 matrix](https://media.kunduz.com/media/sug-question/raw/83524884-1660313725.0770679.jpeg?w=256)
Calculus
Vector CalculusWhich of the following matrices A can be multiplied with the vector B <2, 1,
3> to give the product AB?
A2×3 matrix
A3 x 2 matrix
A2 x 2 matrix
A 2x1 matrix
![23. Given = [1, 7, 9] and,
a) Find the angle between and w. 13 Marks]
-[-2, 5, -3] and w=[4, -6, 8].
b) Are the vectors i and i and w coplanar? Show your answer algebraically. [3 Marks]](https://media.kunduz.com/media/sug-question/raw/83444270-1660313587.1685104.jpeg?w=256)
Calculus
Vector Calculus23. Given = [1, 7, 9] and,
a) Find the angle between and w. 13 Marks]
-[-2, 5, -3] and w=[4, -6, 8].
b) Are the vectors i and i and w coplanar? Show your answer algebraically. [3 Marks]
![Vector component of Vand W are as
follows. Find the direction of the
resultant vector.
V= (13.5, -21.07)
W = (-0.9, -14.6)
W=
[?]
Round to the nearest hundredth.](https://media.kunduz.com/media/sug-question/raw/83434479-1660313516.388805.jpeg?w=256)
Calculus
Vector CalculusVector component of Vand W are as
follows. Find the direction of the
resultant vector.
V= (13.5, -21.07)
W = (-0.9, -14.6)
W=
[?]
Round to the nearest hundredth.
![A bicyclist rides 11.2 kilometers
east and then 5.3 kilometers south.
What is the magnitude of the
bicyclist's resultant vector?
Hint: Draw a vector diagram.
[?] kilometers
Round your answer to the nearest tenth.](https://media.kunduz.com/media/sug-question/raw/83409805-1660313311.7773705.jpeg?w=256)
Calculus
Vector CalculusA bicyclist rides 11.2 kilometers
east and then 5.3 kilometers south.
What is the magnitude of the
bicyclist's resultant vector?
Hint: Draw a vector diagram.
[?] kilometers
Round your answer to the nearest tenth.
![Find an equation of the tangent
y = 2x² - 10x + 1,
line to the curve at the given point.
(6,13)](https://media.kunduz.com/media/sug-question/raw/83306038-1660312638.617406.jpeg?w=256)
Calculus
Vector CalculusFind an equation of the tangent
y = 2x² - 10x + 1,
line to the curve at the given point.
(6,13)
![A car travels 87 miles north and
then 114 miles west.
What is the angle of the car's
resultant vector?
Hint: Draw a vector diagram.
[?]°](https://media.kunduz.com/media/sug-question/raw/83399247-1660312546.0615478.jpeg?w=256)
Calculus
Vector CalculusA car travels 87 miles north and
then 114 miles west.
What is the angle of the car's
resultant vector?
Hint: Draw a vector diagram.
[?]°
![Find the six trigonometric functions of the angle. (If an answer is undefined, enter UNDEFINED.)
117
6
sin(-11) -
cos(-11) -
6
tan(-11) -
csc(-11) -
sec(-11) -
cot(-11) -
H](https://media.kunduz.com/media/sug-question/raw/83438614-1660312475.4721131.jpeg?w=256)
Calculus
Vector CalculusFind the six trigonometric functions of the angle. (If an answer is undefined, enter UNDEFINED.)
117
6
sin(-11) -
cos(-11) -
6
tan(-11) -
csc(-11) -
sec(-11) -
cot(-11) -
H
![A person swims 6.4 meters per
second north while being
pushed by a current moving
west at 2.1 meters per second.
What is the magnitude of the
swimmer's resultant vector?
Hint: Draw a vector diagram.
[?] m/s
Round your answer to the nearest tenth.](https://media.kunduz.com/media/sug-question/raw/83389132-1660312094.4148784.jpeg?w=256)
Calculus
Vector CalculusA person swims 6.4 meters per
second north while being
pushed by a current moving
west at 2.1 meters per second.
What is the magnitude of the
swimmer's resultant vector?
Hint: Draw a vector diagram.
[?] m/s
Round your answer to the nearest tenth.
![Simplify cos(tan-¹()).
|x|
OA.
√x² +1
√x²-1
OB.
OC. √√1-x²
1
VI-
-x²
OD.
X
√√x²-1
OE √√x².](https://media.kunduz.com/media/sug-question/raw/83305028-1660312025.3638828.jpeg?w=256)
Calculus
Vector CalculusSimplify cos(tan-¹()).
|x|
OA.
√x² +1
√x²-1
OB.
OC. √√1-x²
1
VI-
-x²
OD.
X
√√x²-1
OE √√x².
![Find the horizontal and vertical
components of this vector.
([?],[])
|f|=17](https://media.kunduz.com/media/sug-question/raw/83385236-1660311958.908883.jpeg?w=256)
![A vector has a magnitude of
8 in the 95° direction. What are
the horizontal and vertical
components?
([? ], [ ])
Round to the nearest tenth.](https://media.kunduz.com/media/sug-question/raw/83306155-1660311902.1397142.jpeg?w=256)
Calculus
Vector CalculusA vector has a magnitude of
8 in the 95° direction. What are
the horizontal and vertical
components?
([? ], [ ])
Round to the nearest tenth.
![Problem 14.
(-1, -1/3) be the point on the unit circle that
corresponds to t. Find the values of cost and tan t, and then evaluate 2 cost + tan²t.
b) Find the exact value of sin-¹ (
¹ (sin (57)).
a) Lett be a real number and let P](https://media.kunduz.com/media/sug-question/raw/83247719-1660311687.275492.jpeg?w=256)
Calculus
Vector CalculusProblem 14.
(-1, -1/3) be the point on the unit circle that
corresponds to t. Find the values of cost and tan t, and then evaluate 2 cost + tan²t.
b) Find the exact value of sin-¹ (
¹ (sin (57)).
a) Lett be a real number and let P
![Use the following graph of a function f to determine y to the nearest integer for y = f(-2).
Af(x)](https://media.kunduz.com/media/sug-question/raw/83165526-1660311521.62693.jpeg?w=256)
Calculus
Vector CalculusUse the following graph of a function f to determine y to the nearest integer for y = f(-2).
Af(x)
![Let F= cos(5t)i + tj + 5t'k and G = t cos(5t) i + t'j+5e¹k
Find the cross product
FXG=](https://media.kunduz.com/media/sug-question/raw/83160288-1660311062.3144653.jpeg?w=256)
Calculus
Vector CalculusLet F= cos(5t)i + tj + 5t'k and G = t cos(5t) i + t'j+5e¹k
Find the cross product
FXG=
![Describe the toolkit function and it's transformation. The function is f(x) = log(-x-2)-5
Multiple answers: Multiple answers are accepted for this question
Select one or more answers and submit. For keyboard navigation... SHOW MORE
a Reflection about the x-axis
b Vertical Stretch
n
d
f
g
h
Vertical Shrink
Reflection about the y-axis
Horizontal Stretch
Horizontal Shrink
Horizontal Shift Left
Horizontal Shift Right](https://media.kunduz.com/media/sug-question/raw/83251856-1660310880.9339616.jpeg?w=256)
Calculus
Vector CalculusDescribe the toolkit function and it's transformation. The function is f(x) = log(-x-2)-5
Multiple answers: Multiple answers are accepted for this question
Select one or more answers and submit. For keyboard navigation... SHOW MORE
a Reflection about the x-axis
b Vertical Stretch
n
d
f
g
h
Vertical Shrink
Reflection about the y-axis
Horizontal Stretch
Horizontal Shrink
Horizontal Shift Left
Horizontal Shift Right
![Finance. A person wishes to have $27,500 cash for a new car 3 years from now. How much should be placed in an account now, if the account pays 5.3% annual interest rate, compounded weekly?](https://media.kunduz.com/media/sug-question/raw/83016548-1660310634.1390612.jpeg?w=256)
Calculus
Vector CalculusFinance. A person wishes to have $27,500 cash for a new car 3 years from now. How much should be placed in an account now, if the account pays 5.3% annual interest rate, compounded weekly?
![Solve for x. Write your answers, separated by a comma.
(a) x - 11 = 13
x = -2,24
(b) 11- x - 2| = - 8
x= -17,21
(c) | 3 - 2 =
6
x =
-42,78
= 10](https://media.kunduz.com/media/sug-question/raw/83021018-1660310126.8114488.jpeg?w=256)
Calculus
Vector CalculusSolve for x. Write your answers, separated by a comma.
(a) x - 11 = 13
x = -2,24
(b) 11- x - 2| = - 8
x= -17,21
(c) | 3 - 2 =
6
x =
-42,78
= 10
![Sketch the trace (in the plane z = 2) of the function f(x, y) = 1/2.](https://media.kunduz.com/media/sug-question/raw/83139463-1660310058.693463.jpeg?w=256)
![(a) Find expressions for each side of the right triangle that uses x, 8, or both given that 0 = tan-¹().
A =
B =
C =
6
C
A
B](https://media.kunduz.com/media/sug-question/raw/85005213-1660309928.2349026.jpeg?w=256)
Calculus
Vector Calculus(a) Find expressions for each side of the right triangle that uses x, 8, or both given that 0 = tan-¹().
A =
B =
C =
6
C
A
B