Unit Review--Comparing Functions

The cost of Nate’s service is described by y = 4x + 6. The table shows the cost of Beth’s service. Which service is cheaper for 8 movies in one month?

• Beth's service ($38 vs. $40) is cheaper
• Nate’s service ($42 vs. $44) is cheaper
• Nate’s service ($38 vs. $40) is cheaper
• Beth's service ($42 vs. $44) is cheaper

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Find the rate of change

• 3
• -3
• 20
• Not a constant slope/Non-Linear

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Which function has the GREATEST rate of change?

• 
• 
• 
• 

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

What has the GREATER rate of change.

• y = 7x + 10

• Someone who starts with $6 and gets $8 each day.

• y = 5x + 20

• Someone who starts with $8 and gets $6 each day.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

What is a possible scenario for the given table?

• You have $0 and get $1 more each day!

• You have $0 and get $2 more each day!

• You have $2 and get $6 more each day!

• You have $6 and get $2 more each day!

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

The value of a car is $15,000 and depreciates at a rate of 8% per year. What is the exponential equation?

• y=8(15,000)^x
• y=15,000(1 + .08)^x
• y=15,000(1 - .08)^x
• y=15,000(0.08)^x

Tags

CCSS.HSF.LE.A.2

What type of function is f(x)=2(1/7)^x ?

• Exponential Growth
• Linear
• Exponential Decay
• Quadratic

Tags

CCSS.HSF-LE.A.1A

Slope is another word for:

• Initial Value
• Rate of Change
• Change in Y's
• Y-intercept

Tags

CCSS.8.EE.B.5

How are f(x) and g(x) alike?

• Both functions have the same rate of change.

• Both functions have the same range.

• Both functions have the same initial value.

• Both functions have a positive rate of change.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

What is the rate of change?

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6