Algebra 2 - 2.5 Function Applications

A taxi ride costs $2 plus $0.25 per mile. What equation represents the cost of the ride?

• f(x) = 2 + 0.25m

• f(x) = 2r + 0.25m

• f(x) = 0.25 + 2m

• f(x) = 2.25m

A phone plan cost $15 per month plus $5 per gb of data. What is the cost if someone uses 6 gb of data?

• $45

• $120

• $95

• $26

While grocery shopping, Tide is on sale for 10% off. Plus you have a $2 coupon. If the Tide bottle you pick is regular $13.25, what is the new cost if the % discount is applied first?

• -$0.68

• $10.13

• $9.93

• $11.15

While grocery shopping, Tide is on sale for 10% off. Plus you have a $2 coupon. If the Tide bottle you pick is regular $13.25, what is the new cost if the coupon is applied first?

• -$0.68

• $10.13

• $9.93

• $11.15

Lee charges $3 for a basket and $2.50 for each pound of fruit picked at the orchard. Write an equation in y = mx + b form for the total cost of x pounds of fruit from the orchard.

• y = 3x + 2.5
• y = 2.50x + 3
• y = 2.50x 
• y = 3x + 2.50

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

You plan to go snowboarding. The resort charges $15 an hour in addition to $25 to rent a board. Write an equation that represents the cost to go snowboarding for the day.

• y=15x-25
• 15x+25y=100
• 25x+y=15
• y=15x+25

Tags

CCSS.6.EE.C.9

A babysitter charges $25 per day plus $8 per child. What equation would show her earnings each day?

• f(x) = 25 + 8x

• f(x) = 25x + 8

• f(x) = 33x

• f(x) = 25d + 8x

A new phone plan costs $35 per month, plus $5 per GB of data. What equation would show the final cost of the plan?

• c(g) = 5 + 35g

• c(g) = 40g

• c(g) = 35 + 5g

• c(g) = 35 - 5g

A new phone plan costs $35 per month, plus $5 per GB of data. How much does the plan cost if 4 GB of data are used? (Ex. Enter your answer like this: $21)

A new phone plan costs $35 per month, plus $5 per GB of data. How many GB were used if this month's bill was $70?