WGU C957 Applied Algebra Exam Prep (Latest 2023/ 2024 Update) | Questions and Verified Answers| 100% Correct| Grade A

WGU C957 Applied Algebra Exam Prep

(Latest 2023/ 2024 Update) | Questions and

Verified Answers| 100% Correct| Grade A

Q: The amount of food prepared for a catered event depends on the number of people attending.

Which variable is the independent variable?

A. The amount of food prepared

B. The number of people attending

Answer:

B

Q: You own a car wash that charges $10 for each car that goes through. If you wash 50 cars a

day, your revenue is $10×50=$500. If you only wash 20 cars a day, your revenue is

$10×20=$200.

Which variable is the independent variable?

A. Your company's revenue

B. The number of cars washed

Answer:

B

Q: The amount of money you spend on apps depends on the number of apps you buy.

Which variable is the dependent variable?

A. The amount of money spent

B. The number of apps you buy

Answer:

A

Q: When you first started at your job, you earned two weeks of vacation time a year. After five

years of employment, you earn three weeks of vacation. After ten years of employment, you

earn four weeks of vacation.

What is the dependent variable—the number of weeks of vacation or the number of years

employed?

A. The number of weeks of vacation

B. The number of years employed

Answer:

A

Q: Which event allows you to predict the output based on an input?

A. The sex of a baby based on what the mother eats during pregnancy

B. The color gumball you get from a gumball machine based on which quarter you put into the

machine

C. Whether or not someone will opt into a retirement savings program based on eye color

D. What comes out of a vending machine based on your selection

Answer:

D

Q: A cow eats grass, which is turned into milk by its body, and a farmer then milks the cow.

What is the input?

A. The cow

B. The milk

C. The grass

D. The farmer

Answer:

C

Q: Which of these represents a function?

A. Input: A student's age; Output: The number of siblings a student has

B. Input: The cost of an item; Output: The sales tax owed on the item

C. Input: A teacher's gender; Output: Subject he or she teaches

D. Input: The amount of coffee consumed; Output: Level of intelligence

Answer:

B

Q: A company uses the function B to predict the cost of benefits given the number of

employees, n.

What might the inverse function be useful for?

A. The inverse function could be used to figure out how many employees the company could

employ if the budget for benefits was limited.

B. The inverse function could be used to predict the cost of benefits for new hires.

Answer:

A

Q: 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