Exponential Functions Practice #1

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

What is a, the starting value, for the function: f(x) = 300(1.16)^x?

• 300

• 1.16

• .16

• 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.
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 decay factor of the situation represented by 

 $f\left(x\right)=10\left(0.3\right)^x$  

• 10

• 0.3

• 1

• 3

Which of the following exponential functions represents the greatest decay factor?