Functions

What is the equation for graphing a linear function?

• y=m+bx

• y=m+b

• y=mx+b

• 1+2=3

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.

• c=9m+30

• c=8m+50

• c=7m+20

• c=80m+5

A plumber charges $50 to make a house call. He also charges $25 per hour for labor.

How much would it cost for 2.5 hours of labor?

• $50.45

• $112.40

• $112.50

• $80.70

Your new job is at the Custom T Shop, where T Shirts are printed to order. For each order, Custom T Shop charges $8 per shirt plus a one time set up fee of $15, represented by the equation y=8x+15

How much would 50 shirts cost?

• y=450

• y=52

• y=200

• y= 415

A 100-point test has x questions worth 2 points apiece and y questions worth 4 points apiece.

If you have 24 questions worth 4 points apiece, how many questions will be worth 2 points apiece?

• 2

• 4

• 23

• 12

You are selling drinks at the carnival to raise money. You sell lemonade for $2 per cup and orange drinks for $3 per cup. Your sales totaled $240. Let x be the number of cups of lemonade and y be the number of orange drinks.

Write an equation to represent the situation

• 6x + 3y = 210

• 3x + 2y =240

• 2x + 3y = 240

• 3x + 6y = 210

You are selling drinks at the carnival to raise money. You sell lemonade for $2 per cup and orange drinks for $3 per cup. Your sales totaled $240. Let x be the number of cups of lemonade and y be the number of orange drinks.

If you sold 60 cups of lemonade, how many cups of orange drink did you sell?

• 25

• 40

• 35

• 65

Carson owes the bank money. To repay his debt, he paid $200 back to the bank each month interest free. After 9 months, his remaining debt was $18,000.What was the original amount of Carson's Debt?

• $19,800

• $80,700

• $18,900

• $12,980

Carson owes the bank money. To repay his debt, he paid $200 back to the bank each month interest free. After 9 months, his remaining debt was $18,000.How long did it take Carson to pay back his entire debt?

• 15 months

• 70 months

• 99 months

• 80 months

The drama club sold tickets to a play for $5 each. They also made $55 in soda and popcorn sales. If the drama club made a total of $290, how many tickets were sold?

• 30

• 47

• 51

• 67