Real-Life Linear Functions: Analyze & Calculate Costs

A taxi charges a base fare of $3 plus $2 for each mile driven. Write a linear function to represent the total fare, and calculate the fare for a 5-mile trip.

• $10

• $13

• $8

• $15

A gym charges a monthly membership fee of $30 plus $10 for each class attended. If a member attends 8 classes in a month, what is the total cost?

• $90

• $100

• 110

• $120

A car rental company charges a flat fee of $50 per day plus $0.20 per mile driven. Write a function for the total cost and find the cost for renting a car for 3 days and driving 150 miles.

• $120

• $200

• $180

• $150

A phone plan costs $25 per month plus $0.10 for each text message sent. If a user sends 200 text messages in a month, how much will they pay?

• $50

• $45

• $35

• $30

A school is selling tickets for a play at $10 each. If they sell 150 tickets, write a function to represent the total sales and calculate the total revenue.

• $1500

• $1800

• $1000

• $1200

A delivery service charges a fee of $5 plus $1.50 for each package delivered. If a customer has 10 packages, what will be the total delivery cost?

• $30

• $20

• $25

• $15

A concert venue charges $20 for a ticket plus a $5 service fee. Write a function for the total cost of tickets and find the cost for 4 tickets.

• 100

• 80

• 60

• 120

A subscription service costs $15 per month plus $2 for each additional movie rented. If a subscriber rents 5 movies in a month, what is their total bill?

• $25

• $15

• $30

• $20

A farmer sells apples for $2 per pound. If he sells 50 pounds, write a linear function for the total sales and calculate the total revenue.

• $100

• $200

• $50

• $75

A bookstore sells notebooks for $3 each and pens for $1 each. If a student buys 10 notebooks and 5 pens, calculate the total cost using a linear function.

• 40

• 30

• 25

• 35