Complex numbers Questions and Answers

What is the simplest form of the product 50x7y 6xy4 Select one O a 5x y 12 O b 30x ysy Oc 10x y5 3y O d 2x4y 75y

hat is the simplest form of the expression 20 45 5 Select one O a 4 5 O b 6 5 OC 5v5

at is the product of the radical expression 2 8 2 elect one O a 54 2 O b 58 56 2 O c 13 15v2 O d 54 65 2

Determine whether the relation repre Alice Questi dog

Suppose the line y mx 3 passes through the point 3 12 The slope of the line is A line perpendicular to this line that passes through the point 2 3 is

Estimate the slope of the graph at the points X Y and X Y 5 4 3 2 1 slope at x y slope at x Y X1 Ji 25 5 4 w 3 1 1 1 2 3 4 5 X 1 2 X2 y2 3 4 X G

2 f x x 2 5 a Find the inverse of f x Show the process b Find the domain of f

In 6 8 use synthetic division to divide 6 3x 17x 15x 25 x 5 7 x 75x 250 x 10

Solve the linear programming programing by graphing and then determining which vertex minimizes the objective function C 3x 5y x y 40 2x 3y 60 x 0 y 0 24 X x 24 X y 20 x What is the minimum value C 900 X

question below A manufacturer produces two models of mountain bikes Model A requires 5 hours of assembly time and 2 hours of painting time and Model B requires 4 hours of assembly time and 3 hours of painting time The maximum total weekly hours available in the assembly department and the painting department are 200 hours and 108 hours respectively The profits per unit are 25 for Model A and 15 for Model B How many of each type should be produced to maximize profit 54 Xbikes of Model A 0 bikes of Model B

A manufacturer of the latest basketball shoes has found that the revenue received from selling the shoes at a cost of p dollars each is given by the polynomial R p 4p 420p Find the revenue received when p 87 dollars The revenue is

A girl is throwing a ball off the cliff into the ocean The polynomial h t 164 490 gives the height of a ball t seconds after it is dropped from a 490 foot tall cliff Find the height after t 2 seconds feet The height is

Divide 2x 10x 12 by x 3 1 Divide

Solve by the elimination method 5x 6y 3 10x 12y 6

Vectors are useful in Select one or more a Journalism b Computer Science C c Biology d Physic

Given the equation x y 1 in rectangular coordinate form choose the equivalent equation in polar form Select one O a r 2 1 2cos sin Ob None of these OC r 1 2cos0 sin d 1

Given 2x 4y 16 Choose the equivalent equation in polar form Select one O a r O b r 8 cos 2sing 8 2cos sing 8 cos 2sin C r

8 For as linear or quadratic Calculate the first differences and second differences if necessary a c 2 1 0 1 2 3 3 2 1 0 1 2 3 9 6 5 6 9 14 0 2 4 6 8 10 12 b d Hours Wages 1 15 2 19 23 3 4 5 6 Time Ist 0 1 2 3 4 27 31 35 125 120 105 80 45 0

Consider a random variable X such that P X 3 8 0 4 P X 4 4 0 35 and P X 7 8 0 25 and a decision maker with the utility function u t t What is the value of CE X Report your answer using two decimals In this problem you have three tries such that after each incorrect try one third 33 of the maximum points is deducted

Determine the starting and adding numbers given the sum of the squares is 180

Graph by plotting points y 3x 2

Graph the following function y sin x 7 sin x 7 Show Transcribed Text and write an identity what simpler function does this graph look like A solution is just writing the identity

The cost to buy tickets online for the dance show Riverdance is 50 per ticket a Write a function that represents the cost C x in for x tickets to Riverdance b There is a sales tax of 5 5 and a processing fee of 7 for a group of tickets Write the total cost T a for a dollars spent on tickets c Evaluate TC x d Find TC 8 and interpret its meaning in the context of this problem Part 0 4

K Determine the largest open interval s of the domain over which the function shown in the graph below is a increasing b decreasing and c constant Then give the d domain and e range 6 5 X THE YE possible a Over increasin necessar OA T O B b Over decreas necessa A C B

Determine whether the graph of the give Use your calculator and the standard wi f x 7 Choose the correct answer below ograph of the function f x

oh the greatest integer step function defined by th x 2 oose the correct graph below OB

x 1 if x 1 a f 4 Type an integer or a decim b f 1 Type an integer or a decin c f 0 Type an integer or a decima d f 3 Type an integer or a decima

Graph the function f x x 21 2 Choose the correct graph OA O

Sraph the function using the techniques of shifting compr tretching and or reflecting Start with the graph of the ba unction shown below h x x 5 y x

Question list Question 5 14 For the polynomial function below a List e the maximum number of turning points on th f x 4 x 1 x 9

Using composition of functions determine if the following functions are inverses 16 f x 3x 8 and g x 17 f x X 4 2 x 8 3 and g x 2x 4 f x and g x are inverses if and only if fog x x AND g x x YES or NO

Given f 0 2 1 3 2 4 3 5 4 0 5 1 f 2 0 f 0 f 0 0 f 0 0 1 f 101 0 f 101 1

Lef f x 2x 1 and g x x 1 find the following 12 gof 3 13 fog 3 14 g D k Falk Rob

Determine which ordered pairs satisfy the 3 4 5 18 0 18 3y 2x 6 Select all ordered pairs that satisfy the give A 0 18 B 3 4 C 5 18 D None of the ordered pairs satisfy th

c 4 C 2 Which expression is equivalent to C 3 3 c 9 C 3 C 2 02 4 3 2 9 O c 4 3 c 9 c 3 c 2 O c 4 3 9 c 3 C 2 O c 3 C 2 2 4 3 2 3 4 9

Use the AC Method to factor x 7x 10 Split the linear term writing a 7 10 as the sum of two binomials be careful about how you choose to split 7x or the AC method won t work Factor out the GCF of each binomial Complete the process of factoring by grouping your answer should now be completely factored

ork 1111 Polynomial Functions Homev list n 1 K Use a graphing utility to ap Using a graphing utility gr

Find the vectors T N and B at the given point 2 r t 2 2 23 t 1 3 1 0 T N B

Problem 1 10 points Find the eigenspace corresponding to 0 2 3 1 0 1 2 1 1 1 2 1 0 2 3 1 1

A rod of 1 mm diameter and 1 m length is charged Find the generally expected electric field behavior as a function of radial distance in the vicinity of 100 m from the surface of the rod Assume that the field is being examined in a plane that intersects the midpoint of the rod lengthwise Use o 8 85 x 10 5 E R Q the rod round to 1 decimal place x 105 Q is the charge on

Write the function whose graph is the graph of y x 2 but is reflected about the x axis y Simplify your answer

2 Find the following for the function f x 4x 4x 4 a f 0 e f x b f 5 f f x 3 a f 0 4 Simplify your answer b f 5 116 Simplify your answer c f 5 76 Simplify your answer c f 5 g f 3x 2 d f x 4x 4x 4 Simplify your answer e f x 4x 4x 4 Simplify your answer f f x 3 4x 28x 44 Simplify your answer Simplify your answer g f 3x d f x h f x h

Solve Check for extraneous roots 10x2 5x 25 0 X

Given the functions perform the function operation f x 3x and g x 2 5x A f x g x B f g x C f g x D x 3x 5x 2 Choose 3x 5x 2 2 5x 3x 15x 6x Choose Choose Choose

Last week the total weight of the members of a weight loss support group was 1 450 pounds This week it was 1 479 pounds What percent heavier is the group now

How does the following Journal entry affect a company s Transportation out Cash Account Title Multiple Choice O O Debit 400 Credit 400 An Increase in operating expenses shown on the Income statement A decrease in gross margin shown on the Income statement An Increase In Inventory shown on the balance sheet An Increase in the amount of cost of goods sold shown on the Income statemer

TB MC Qu 04 40 Static The following entry is taken from the Journ The following entry is taken from the Journal of a merchandising company Account Title Cost of Goods Sold Merchandise Inventory Multiple Cholce What is the effect of this entry on the company s financial statements Assets and stockholders equity decrease CENARIU PENCONTR Assets decrease and stockholders equity Increases INHEITE VOLUNTA ASIACCHIETNINA MA MFERENLER EN DELE W HEMPIEN B H Y Ava COMMERENT TREATHING AKTER Samosta STORM UMERBRING WARBIRDANE LARGOGLIDE TRADE WAE SIN GAZETETT HOPE M MARTA DETESTAR PSTREAMKIBE ID SINE VERITE ME KIKARS lin SHERS DAM U SEPAN 201 MERLITE TOM BODEN CON Assets and stockholders equity Increase DAY WRESA sys UNA FIG SMAMARELOCA UN ZARINA VERD FRIHET MIGHT TRONACHEMENT WAT NI Assets and llabilities increase Debit 6 000 P URADORABL VARERER ROSE TEL WIEDONAN PERSA NY CAIR SALDA Credit adde habitis 6 000

2 1 points References TB MC Qu 04 132 Static The follow The following T accounts are from the ledger of Debit Purchases 6 000 Credit Which of the following is true about Hill Compar Multiple Cholce

In his poem in Just e e cummings combines the names of the boys eddyandbill as well as A the names of the girls bettyandisabel 3 the games runningfrommarbles C farandwee

What are three methods used to Choose the correct answer bel Loing intoroconto dotor