Differentiation Questions and Answers
Calculus
DifferentiationUsing the figure below estimate the following 5 Round your answers to one decimal place a f g 2 b g f 2 c f f 3 d g g 3 st 3 2 g x f x 1 2 3 4 5 8
Calculus
Differentiation7 Evaluate the piecewise function for f 2 f x a undefined b 0 2x 5 x 2 5x2 2 x 2 c 18 d 1
Calculus
Differentiation44 The perimeter of a triangle is 26 inches If the longest side is twice as long as the shortest side and the third side is 2 inches longer than the shortest side If x the shortest side then two equations can be written as A z 2x and y x 2 B x 2z and x y 2 C x 2z and y x 2 D z 2x and y z 2
Calculus
DifferentiationFind the maximum and minimum values of f x y x y subject to the curve 7x 12xy 8y 100
Calculus
DifferentiationFor those which are polynomial functions find the degree the leading term and the leading coefficient 6 f x 7x4 6x A Degree 7 leading term x4 leading coefficient 7 B Degree 4 leading term 7 leading coefficient 7x4 C Degree 2 leading term 7x4 leading coefficient 7 D Degree 4 leading term 7x4 leading coefficient 7
Calculus
DifferentiationLet f x O O f x f x x sin a X Determine f x 2 sin a 2x cos x x3 2 sin x 2x cos x I sin x 2 x cos x sin x x x sin x x sin x
Calculus
DifferentiationThe function f is differentiable for all x values and f has exactly two critical numbers x 2 and x 5 Furthermore f 2 is a relative minimum and f 5 is a relative maximum Determine the sign positive or negative of the expression f 1 f 3 f 99 O Negative O There is not enough information to determine the sign O The value of the expression is zero O Positive A rece here claime
Calculus
DifferentiationIF you were asked to find the derivative of f x log3 x2 9x 7 it would be helpful to rewrite the expression first Which expression below is equivalent to the original expression for f x DO NOT DIFFERENTIATE 2 ln x ln 9x 7 In 3 O f x log3 x 9 logs log3 7 O In x In 9x In 7 In 3 O f x f x In 2x 9 In 3
Calculus
Differentiation7 8 marks Find the volume generated by revolving the region bounded by y x 4x and y 0 about a The x axis
Calculus
DifferentiationSolve the right triangle shown in the figure A 52 2 c 54 a What are the lengths of the sides a Round to the nearest hundredth as needed b B C
Calculus
DifferentiationFactor each 9 2x x 6 0 11 64x6 1 0 State the possible rational roots for each equation 13 7x 2x 7x 2 0 10 3x 22x 35 0 12 x6 64 0 14 5x 39x 27x 7
Calculus
DifferentiationLet In 0 35xn 128 be a linear DDS a Suppose the initial value is o In 40 Find the explicit solution b Calculate the equilibrium value for this DDS Round to 2 decimal places as needed Ie c Determine the stability of the equilibrium Choose the correct answer The equilibrium of this system is Select an answer because O the slope is negative the slope in absolute value is less than 1 the slope in absolute value is greater than 1 the slope is positive
Calculus
Differentiation12 The number of visits to public libraries increased from 1 1 billion in 1998 to 1 3 billion in 2003 Find the average rate of change in the number of library visits from 1998 to 2003 13 Raff
Calculus
DifferentiationFind the coefficient a of the given term in the expansion of the binomial Binomial Term x 9 12 ax a
Calculus
Differentiation5 5 points A rectangular poster is to contain 648 square inches of print The margins at the top and bottom of the poster are to be 2 inches and the margins on the left and right are to be 1 inch What should the dimensions of the poster be so that the least amount of poster is used
Calculus
Differentiation28 Find the common ratio of the geometric sequence O A B 1 6 C 213 C 6 3 1 1 18 3 2 12 72
Calculus
Differentiation11 Find a polynomial function with real coefficients that has these numbers as roots 4 0 3i OA x4 4x 9x 36x OB x3 4x 3x 12 C x 4x 3x 12 D x4 4x 9x 36x
Calculus
DifferentiationThe one to one function f is defined below f x 6 x Find f x where f is the inverse of f 1 f x 0
Calculus
Differentiation8 Let f x 3 x 5 x 3 a Determine f x BOCS b Show that the equation of the normal line to the graph of y f x at the point with an x coordinate of 7 is y 2x 11
Calculus
DifferentiationEstablish the identity Follow the format 1 sin x y sin x y 2 cos x sin y se the information given about the angle 0 to find the exact value of the indicated trigonometric function 0 3 2 a Find the exact value of cos and 0 terminates in 270 0 360 5 b Justify the choice of the sign in front of the radical given that cos 0 F
Calculus
Differentiationa Find the inverse of the function f x f x 7x 3 7x b What is the domain of the inverse function Enter your answer using interval notation
Calculus
DifferentiationUse the definition of the logarithmic function to find x Simplify your answer completely a log4 x 4 X b X log10 0 01 x
Calculus
DifferentiationFind all points where fails to be differentiable f x 13x 12 Points Note Enter points as a comma separated list with smaller a coordinates first If no solution enter NA
Calculus
DifferentiationIf g x is the inverse of fx and f x 4x 12 what is g x O g x 12x 4 g x x 12 O Og x x 3 O g x x 3
Calculus
Differentiation7 The following table shows the values of the functions f and g and their derivatives for various values of x 0 1 2 f x 2 4 1 g x 3 1 2 f x 1 3 1 g x 3 2 0 x 3 0 2 1 1 a Let h x f x Calculate the value of h 2 g x 5 6 4 4 2 1 4 2 3 1 3 3 2 2 1 4
Calculus
DifferentiationThe traffic flow rate (cars per hour) across an intersection is r(t)=300+900t-180t², where t is in hours, and t=0 is 6am. How many cars pass through the intersection between 6 am and 8 am?
Calculus
DifferentiationLet h be a continuous function, with its first derivative given by h '(x) = 4x³ - 10x² + e^x. Determine the interval(s) where the graph of h is concave up. (-∞, 0.431) (0.055, 1.424) (0.055, ∞) (1.424,00)
Calculus
DifferentiationAnalyze the polynomial function f(x) = 5x (x² - 9) (x + 4) using parts (a) through (e). (a) Determine the end behavior of the graph of the function. The graph off behaves like y = 5x^4 for large values of [x]. (b) Find the x- and y-intercepts of the graph of the function. The x-intercept(s) is/are. (Simplify your answer. Type an integer or a fraction. Use a comma to separate answers as needed. Type each answer only once.)
Calculus
DifferentiationGraph the following function using a graphing utility; then use MINIMUM to obtain the minimum value.
f(x) = x² + 1/x x>0
Which graph shown below is the graph of f(x), as displayed on a graphing utility? All four graphs use the limits [0,6] by [0,30], Xscl = 1, and Yscl = 5.
Find the minimum value of the function.
(Round to two decimal places as needed.)
Calculus
DifferentiationAnalyze the graph of the function.
x+x² +3
x²-
X-64
R(x) =
(a) What is the domain of R(x)?
OA. {x|x #0}
B.
(xlx #8 and x# - 8}
C. (xlx #0 and x#8 and x# - 8}
D. All real numbers
(b) What is the equation of the vertical asymptote(s) of R(x)? Select the correct choice below and fill in any answer boxes within your choice.
OA. X=
(Use a comma to separate answers as needed. Type an integer or a fraction.)
B. There is no vertical asymptote.
Calculus
DifferentiationFind bounds on the real zeros of the polynomial function.
f(x)=x²-24x² - 25
The lower bound is and the upper bound is
(Type integers or simplified fractions.)
Calculus
DifferentiationA company finds that if they price their product at $ 40, they can sell 372 items of it.
For every dollar increase in the price, the number of items sold will decrease by 6.
What is the maximum revenue possible in this situation?
A dollars.
What price will guarantee the maximum revenue?
Calculus
DifferentiationDetermine the values of x for which the function can be replaced by the Taylor polynomial if the error cannot exceed 0.001. (Enter your answer using interval notation. Round your answer to four decimal places.)
cee
f(x) = e* = 1 + x +.
21
x<0
Calculus
DifferentiationWhat are the solutions of the equation sin x cot x = -
2
Drag all correct solutions to the box to correctly complete the table.
Solutions to sin cot x =
2
-
√2
2
on the interval
on the interval
[0, 2π),
[0, 2TT)
Calculus
DifferentiationA cosine function is a reflection of its parent function over the x-axis. The amplitude of the function is 11, the vertical shift is 9 units
7π
The graph of the function does not show a phase shift.
12
down, and the period of the function is
What is the equation of the cosine function described?
Drag a value into each box to correctly complete the equation of the function.
f(x) =
cos(
x)
Calculus
DifferentiationConsider the series
+ + + 27 +31 +....
Does the series converge or diverge?
Select answers from the drop-down menus to correctly complete the statements.
The series Choose... You conclude this because the series is
Calculus
DifferentiationThe polar equation
r = 7 sin
What is the length of the petals of this rose? Enter your answer in the box.
Calculus
DifferentiationA bank pays continuous compounded interest. Sue deposits $100 in the account, and in 5 years she has $120.
Write and solve the differential equation for A(t), the amount of money in Sue's account at time t.
O A(t) = 1.2e(0.035)t
O A(t) = 100e(-0.035)t
O A(t) = 100e (1.2)
o A(t)= =100e (0.035)t
Calculus
DifferentiationGiven that the polynomial function has the given zero, find the other zeros.
f(x) = x³ + 4x² - 6x - 24; - 4
The other zero(s) is/are___
(Type exact answers, using radicals as needed. Use a comma to separate answers as needed.)
Calculus
DifferentiationSamuel invested $9,200 in an account paying an interest rate of 7% compounded monthly. Noah invested $9,200 in an account paying an interest rate of 73/% compounded daily. After 7 years, how much more money would Noah have in his account than Samuel, to the nearest dollar?
Calculus
DifferentiationAn object's velocity after t seconds is v() = 36 - 21 feet per second.
(a) How many seconds does it take for the object to come to a stop (velocity=0)? ___seconds
(b) How far does the car travel during that time?____ feet
(c) How many seconds does it take the car to travel half the distance in part (b)?______
seconds