Real-Life Functions: Create and Analyze Cost Equations

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) of renting a car for x miles. What is the cost if you drive 150 miles?

• 80

• 150

• 100

• 200

A local gym has a membership fee of $30 per month. If they also charge a one-time registration fee of $50, create a function that represents the total cost (T) for m months. How much will it cost for 6 months?

• 150

• 180

• 230

• 200

A bakery sells cupcakes for $3 each. If they have a special offer where you can buy 4 cupcakes for $10, create a function that represents the total cost (C) for buying x cupcakes. How much would it cost to buy 10 cupcakes?

• $26

• $30

• $20

• $15

A phone company offers a plan that costs $40 per month plus $0.10 per text message sent. Write a function to represent the total monthly cost (C) for sending x text messages. If you send 200 messages, what is your total cost?

• 60

• 50

• 100

• 80

A gardener charges a flat fee of $25 for a visit plus $15 per hour of work. Create a function that represents the total cost (C) for h hours of work. If the gardener works for 3 hours, what will be the total cost?

• $100

• $50

• $85

• $70

A movie theater charges $12 for a ticket and offers a discount of $2 for every ticket purchased after the first one. Write a function to represent the total cost (C) for buying n tickets. What is the cost for 5 tickets?

• 40

• 60

• 52

• 45

A delivery service charges a base fee of $5 plus $1.50 per mile. Create a function that represents the total cost (C) for d miles. If the delivery is 10 miles away, what will the total cost be?

• $20.00

• $15.00

• $10.50

• $25.00

A subscription box service charges $20 per month plus a one-time shipping fee of $5. Write a function to represent the total cost (C) for m months. How much will it cost for 4 months?

• $100

• 85

• $60

• $75

A school is selling tickets for a fundraiser at $8 each. If a student sells 15 tickets, create a function that represents the total money raised (R) from selling t tickets. How much money will be raised if they sell 20 tickets?

• $120

• $180

• $160

• $200

A water park charges an entrance fee of $25 and an additional $5 for each ride. Write a function to represent the total cost (C) for r rides. If a visitor goes on 6 rides, what is the total cost?

• $70

• $45

• 55

• $30