Exponential Decay Practice

Which of the following is an example of exponential decay?

•  $y\ =\ 5^x$  

•  $y\ =\ \left(\frac{1}{2}\right)5^x$  

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

•  $y\ =\ 8\ \left(4\right)^x$  

Which graph represents exponential decay?

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Tags

CCSS.HSF-IF.C.7E

Is this exponential growth or decay?

• Growth
• Decay

Tags

CCSS.HSF-IF.C.8B

Is this exponential growth or decay?

• Growth
• Decay

Tags

CCSS.HSF-IF.C.7E

What is the domain of the exponential function?  $f\left(x\right)\ =\ \left(\frac{1}{2}\right)^x\ +\ 2$  

• All Real Numbers : R

• y = 2

• y > 2

• x > 2

What is the range of the exponential function?  $f\left(x\right)\ =\ \left(\frac{1}{2}\right)^{x-1\ }+\ 2$  

• All Real Numbers

• y = 2

• y > 2

• x > 2

What is the Horizontal Asymptote of the Exponential Function?  $f\left(x\right)\ =\ \left(\frac{1}{2}\right)^x\ +\ 2$  

• All Real Numbers : R

• y = 2

• y > 2

• x > 2

What is the shift of this function from its parent function?
 $f\left(x\right)\ =\ \left(\frac{1}{3}\right)^x\ -\ 3$  

• Right 3

• Left 3

• Up 3

• Down 3

What is the shift of this function from its parent function?
$$f\left(x\right)={\left(\frac{1}{2}\right)}^{x-1}+2$$  

• Right 1 and Down 2

• Right 1 and Up 2

• Left 1 and Down 2

• Left 1 and Up 2

What is the shift of this function from its parent function?
 $\ f(x)=\left(\frac{3}{5}\right)^{x−5}$  

• Right 5

• Left 5

• Up 5

• Down 5