Exponential Functions Practice

The function given is an example of growth or decay?

 $y=2^x$  

• Growth

• Decay

The function given is an example of growth or decay?

 $y=3\cdot\left(\frac{1}{2}\right)^x$  

• Growth

• Decay

Given the exponential function below, what is the starting value?
 $y=2\cdot0.7^x$  

• 2

• 0.7

• x

Tags

CCSS.HSF.LE.B.5

The expression 12(1.015)^t models the population of elephants in a wildlife refuge after t years since 1975.
Is the population of elephants increasing or decreasing?

• Increasing
• Decreasing

Tags

CCSS.HSF-IF.C.8B

The expression 12(1.015)^t models the population of elephants in a wildlife refuge after t years since 1975.
What does the value 12 represent?

• The predicted increase in number of elephants in the refuge each year.
• The predicted decrease in number of elephants in the refuge each year.
• The number of years it will take for the elephant population to stop increasing.
• The initial amount of elephants in the park.

Tags

CCSS.HSF.LE.B.5

What does this graph represent?

• Exponential Decay

• Exponential Growth

Tags

CCSS.HSF-IF.C.7E

What does the graph represent?

• Exponential Decay

• Exponential Growth

Tags

CCSS.HSF-IF.C.7E

What is the growth factor of the situation represented by f(x)=10(0.3)^x?

• 10

• 0.3

• 1

• 3

Tags

CCSS.HSF-IF.C.8B

If  $t=1$ , what is the value of  $y=900\cdot3^t$ ? 

• 2700

• 900

• 300

• 100

Tags

CCSS.HSF-IF.C.8B

Write the equation of the function. 

• y=11.49x-19.2
• y=-19.2x+11.49
• y=2⋅1^x
• y=1⋅2^x

Tags

CCSS.HSF.LE.A.2