Real-World Cost Functions and Their Graphs

A car rental company charges a base fee of $30 plus $0.20 per mile driven. If a customer drives 'x' miles, write a function for the total cost. Then, if the customer drives 50 miles, what is the total cost?

• $30

• $10

• 40

• $50

A bakery sells cupcakes for $2 each and offers a discount of $5 for orders of 12 or more. Define a function for the cost of 'x' cupcakes. If a customer orders 15 cupcakes, what is the total cost?

• $15

• $30

• $20

• 25

A gym charges a monthly fee of $40 and an additional $10 for each class attended. If 'x' represents the number of classes attended, write a function for the total monthly cost. Calculate the total cost if a member attends 8 classes.

• 120

• 100

• 80

• 140

A phone plan costs $25 per month plus $0.10 per text message. If 'x' is the number of text messages sent, create a function for the total monthly cost. What is the total cost if a user sends 150 messages?

• 40

• $50

• $15

• $25

A delivery service charges a flat fee of $15 plus $2 for each mile driven. If 'x' represents the miles driven, write a function for the total delivery cost. Calculate the cost for a delivery of 10 miles.

• 25

• 45

• 35

• 50

A subscription service charges $10 per month and an additional $5 for every movie rented. If 'x' is the number of movies rented, write a function for the total cost. What is the total cost if a user rents 4 movies?

• 15

• 30

• 40

• 25

A landscaping company charges a base fee of $50 plus $25 for each hour of work. If 'x' represents the number of hours worked, create a function for the total cost. Calculate the total cost for 3 hours of work.

• 150

• 125

• 100

• 75

A concert ticket costs $50, and there is a service fee of $5 per ticket. If 'x' is the number of tickets purchased, write a function for the total cost. What is the total cost for 4 tickets?

• 220

• $180

• $250

• $200

A streaming service charges $12 per month and an additional $3 for each movie rented. If 'x' is the number of movies rented, create a function for the total monthly cost. Calculate the total cost if a user rents 5 movies.

• 30

• 20

• 27

• 15

A taxi service charges a base fare of $3 plus $2 for each mile traveled. If 'x' represents the miles traveled, write a function for the total fare. What is the total fare for a trip of 7 miles?

• $15

• $10

• $17

• $20