Constructing Functions

The local service center advertises that it charges a flat fee of $50 plus $8 per mile to tow a vehicle. Write an equation that represents the total cost (C) of a service for m miles of towing.

• y = 8x + 50

• C = 50m +8

• y = 50x + 8

• C = 8m + 50

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Your four-month bill for the gym comes to $221. That includes the cost per month of $50 plus the one-time membership fee. How much is the membership fee?

• $21

• $171

• $4.42

• $15.50

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

Derrick started up a charity for the local animal shelters. He started selling handmade dog leashes for $5. It cost him $120 to get the supplies to make the leashes. Write an equation for the amount of money he raises, A, if he sells x amount of leashes.

• A = 120 + 5x

• A = 120x + 5

• A = -120 + 5x

• A = 120 - 5x

Tags

CCSS.HSF-BF.A.1A

Alan is saving for a used motorcycle that costs $3000. He has already saved $900 and he plans to save $100 each week. How long will it take for him to afford the motorcycle

• 39 weeks

• 4 weeks

• 21 weeks

• The rate of change is $8. The initial value is $115
• The rate of change is $70. The initial value is $8
• Rate is Change is $8. The initial value is $70

• The rate of change is $35. The initial value is $140
• The rate of change is $140. The initial value is $35
• The rate of change is $20. The initial value is $35

This chart represents the cost for the number of days a carpet cleaning service is used. What is the initial value?

• $5
• $10
• $15
• $25

The chart represents the cost per portrait at Clear Image Studios. How much is the cost per portrait?

• $10
• $12
• $14
• $16

There is an entrance fee for the local carnival that Corrina would like to attend. She spends a total of $54 on tickets and the admission fee. Each game cost ride cost 3 tickets and she rode 15 rides.

How much is the entrance fee?

• $54

• $45

• $0

• $9

Find the rate of change

• 1
• 2
• 11
• Not a constant slope/Non-Linear

Tags

CCSS.HSF.IF.B.6

CCSS.HSS.ID.C.7