Evaluating Real-Life Functions: Costs and Charges Quiz

A car rental company charges a flat fee of $50 plus $0.20 per mile driven. Write a function to represent the total cost, C, as a function of miles driven, m. What is the cost if a customer drives 150 miles?

• $80

• $100

• $120

• $60

A local gym charges a monthly membership fee of $30 and an additional $5 for each class attended. Define a function for the total cost, T, based on the number of classes, c. How much would a member pay if they attend 8 classes?

• 70

• 90

• 50

• 100

A bakery sells cupcakes for $3 each and offers a discount of $1 for every 10 cupcakes purchased. Create a piecewise function to represent the total cost, P, for buying x cupcakes. What is the cost for 25 cupcakes?

• $73

• $80

• $60

• $50

A phone plan costs $40 per month plus $0.10 for each text message sent. Write a function to express the total monthly cost, M, based on the number of text messages, t. Calculate the total cost if a user sends 200 messages.

• 100

• 40

• 80

• 60

A school is organizing a field trip and charges $15 per student. If the number of students, s, increases, the total cost, C, can be represented by the function C(s) = 15s. What is the total cost for 45 students?

• 900

• 600

• 675

• 750

A delivery service charges a base fee of $5 plus $2 for each mile driven. Define the function D(m) for the total delivery cost based on miles. What is the cost for a delivery that is 10 miles away?

• $30

• $15

• $25

• $20

A concert ticket costs $50, and there is a service fee of $5 per ticket. Write a function to represent the total cost, T, for purchasing n tickets. How much would it cost for 4 tickets?

• $180

• $250

• $220

• $200

A farmer sells apples for $2 each and offers a discount of $5 for purchases over 20 apples. Create a function A(x) to represent the total cost for buying x apples. What is the cost for 30 apples?

• $60

• $45

• 55

• $50

A subscription service charges $10 per month and an additional $2 for every movie rented. Define the function S(m) for the total cost based on the number of movies rented, m. What is the total cost if 5 movies are rented?

• 30

• 15

• 20

• 25

A taxi service charges a flat rate of $3 plus $1.50 for each mile traveled. Write a function T(d) for the total fare based on distance in miles, d. What would be the fare for a trip of 12 miles?

• $25

• $18

• $15

• $21