WGU C957 APPLIED ALGEBRA OA EXAM | ACTUAL REAL EXAM QUESTIONS AND ANSWERS WITH STUDY GUIDE | VERIFIED AND ACCURATE FOR GUARANTEED PASS | GRADED A

WGU C957 APPLIED ALGEBRA OA EXAM | ACTUAL REAL EXAM QUESTIONS AND ANSWERS WITH STUDY GUIDE | VERIFIED AND ACCURATE FOR GUARANTEED PASS | GRADED A A function doubles each input. What does the inverse function do? A. Doubles each input B. Adds 2 to each input C. Subtracts 2 from each input D. Halves each input - ANSWER -D Sales tax in your state is 7%. Which function models the amount of sales tax, T, when you spend x dollars? A. T(x)=7+x B. T(x)=0.07+x C. T(x)=7x D. T(x)=0.07(x) - ANSWER -D Your daughter babysits and charges $8 per hour. Select the function that models the amount of money she earns when babysitting for h hours. A. B(h)=8h B. B(h)=h+8 C. B(h)=8h D. B(h)=8+h - ANSWER -C Your business currently has 12 employees. You plan to add three new employees each year for the life of your business. Which function below models your plan? Note that N represents the number of employees while y=0 corresponds to the current year. A. N(y)=12y+3 B. N(y)=36+y C. N(y)=12+3y D. N(y)=12-3y - ANSWER -C The temperature outside is currently 50 degrees Fahrenheit and decreasing at a rate of 2 degrees per hour. Choose the function that models this scenario. A. T(h)=50h-2 B. T(h)=50+2h C. T(h)=50-2h D. T(h)=50h+2 - ANSWER -C The cost to mail a package that weighs z ounces is given by the function C(z)=$2.50+0.08z. How much would it cost to mail a package that weighs 14 ounces? A. $13.24 B. $14.20 C. $2.58 D. $3.62 - ANSWER -D You currently earn $62,000 annually and will be given a pay raise soon. If the pay raise is given as a percentage or rate, r, the increase in pay, I, can be represented by the function I(r)=62,000(r). What is the increase in pay if you were given a 9% raise? A. $3,580 B. $67,580 C. $558,000 D. $5,580 - ANSWER -D You purchase a compact car for $22,000. The depreciation value after t years is given by the function: V(t) = 22,000 - 1400t. Find the value of the car after three years. A. $17,800 B. $20,600 C. $26,200 D. $61,800 - ANSWER -A Given the function C(p)=20-p, which of these would be a coordinate on the graph? A. (5, 16) B. (5, 18) C. (5, 17) D. (5, 15) - ANSWER -D Suppose a short-distance towing company uses the function P(m)=1.8m+32 to determine the price, P, of towing a car m miles. What would the price be for the coordinate (10, P)? A. 33.8 B. 42 C. 18 D. 50 - ANSWER – Which choice is a variable? A.The number of states in the United States of America B.The cost of your daily newspaper C.The amount a teenager makes babysitting D.Your shoe size - ANSWER -C Which choice is a variable?