Comparing Functions HW

Leonard compared the cost of purchasing a gallon of gas at two different gas stations.

The function C(g) = 3.25 + 0.07x models the average cost of a gallon of gas at the first gas station after x months. The table below shows the average cost of a gallon of gas at the second gas station after different numbers of months.

Which statement is true?

• The first station had a higher initial price per gallon and increased at a greater amount per month than the second station.

• The second station had a higher initial price per gallon and increased at a greater amount per month than the first station.

• The first station had a higher initial price per gallon but increased at a smaller amount per month than the second station.

• The second station had a higher initial price per gallon but increased at a smaller amount per month than the first station.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Jason invested money into two different accounts. He deposited $75 into the first account which earns 6% interest annually. The value of the second account after different amounts of time is shown in the table.

Which statement is true?

• Jason started with $4 less in the second account than the first account.

• Jason started with $5 less in the second account than the first account.

• Jason started with $4 more in the second account than the first account.

• Jason started with $5 more in the second account than the first account.

Dave owns a lawn business. He charges $10 per hour and a $25 dollar disposal fee. What is the correct equation Dave would use to find out how much to charge his customers?

• y = 25x + 10
• x = 25y + 10
• y = 10x +25
• x = 10y + 25

Tags

CCSS.6.EE.C.9

Lee charges $3 for a basket and $2.50 for each pound of fruit picked at the orchard. Write an equation 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

Who has the greater rate of change?

• Hunter has the greater rate of change.

• Casey has the greater rate of change

• They have the same rate of change

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Which tree was the tallest when it was first planted?

• Tree A
• Tree B
• Tree C

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Which kitten grows fastest? What is it's rate of change?

• Kitten A with a rate of change of 3

• Kitten B with a rate of change of 4

• Kitten A with a rate of change of 4

• Kitten B with a rate of change of 3

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Which company's set up fee is higher and how much is it?

• Homework Lifeline as $ 5

• Homework Lifeline as $25

• Homework Lifeline as $10

• Homework SOS as $10

Tags

CCSS.8.EE.B.5

How much will you pay Store A per week for a phone?

• $25

• $150

• $15

• $50

Tags

CCSS.8.EE.B.5

The graph of this function is a straight line. 

• Linear
• Exponential
• neither

Tags

CCSS.HSF.LE.A.1