Exponential Review

What is the growth or decay rate for the following equation?
y = 2.5(1.15)^x

• -15% decay
• 115% growth
• 15% growth
• 25% growth

Tags

CCSS.HSF-IF.C.8B

What is the growth or decay rate for the following equation?
y = 1/3(0.7)^x

• 7% decay
• 70% decay
• 30% growth
• 30% decay

Tags

CCSS.HSF-IF.C.8B

A population has a growth/decay factor of 0.90.  What is happening to the population?

• It grows at a rate of 90%
• It dies at a rate of 90%
• It grows at a rate of 10%
• It dies at a rate of 10%

Tags

CCSS.HSF-IF.C.8B

A population has a growth/decay factor of 1.045 What is happening to the population?

• It grows at a rate of 45%
• It grows at a rate of 4.5%
• It dies at a rate of 45%
• It dies at a rate of 1045%

Tags

CCSS.HSF-IF.C.8B

The original value of a painting is $1400, and the value increases by 9% each year. Write an exponential growth function to model this situation.

• y=1400(1.09)^x
• y=1.09(1400)^x
• y=1400(.91)^x
• y=1.09^x

Tags

CCSS.HSF.LE.A.2

What is the y-intercept of the function?

• 2
• 3
• 1
• -2

Tags

CCSS.HSF-IF.C.7E

The population of Winnemucca, Nevada, can be modeled by P=6191(1.04)^t where t is the number of years since 1990. What percent did the population increase each year?

• 4%
• It doesn't say
• I don't know
• 400%

Tags

CCSS.HSF-LE.A.1C

Is this exponential growth or decay?

• Growth
• Decay

Tags

CCSS.HSF-IF.C.8B

What is b, the common ratio, for the function: f(x) = 300(1.16)^x?

• 300
• 1.16
• .16
• x

Tags

CCSS.HSA.SSE.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.B.5

What type of function is y = 7(5/4)^x?

• Exponential Growth
• Exponential Decay
• Linear
• None of the above

Tags

CCSS.HSF-IF.C.8B