Exponential Functions

Determine whether the following equations represents an exponential function. Explain.

f(x) = 2x + 1

• Exponential; growth rate 2

• Exponential; y-intercept 1

• Linear

• Not Here

Determine whether the following equations represents an exponential function. Explain.

y = 2^x

• Exponential; growth rate 2

• Exponential; decay rate 2

• Linear

• Not Here

Determine whether the following equations represents an exponential function. Explain.

y=4x

• Exponential; growth rate 4

• Exponential; y-intercept 0

• Linear

• Not Here

Determine whether the following equations represents an exponential function. Explain.

g(x) = 3(0.5)^x

• Exponential; growth rate 0.5

• Exponential; decay rate 0.5

• Linear

• Not Here

Does the table represent a linear or exponential function?

• Linear

• Exponential

Does the table represent a linear or exponential function?

• Exponential

• Linear

Evaluate the function for the given value of x.
 $f\left(x\right)=6\cdot\left(\frac{1}{3}\right)^x$  ; x = -2

• 6

•  $\frac{1}{3}$  

• 54

•  $\frac{2}{3}$  

Evaluate the function for the given value of x.
 $y=-3\cdot4^x$  x = 3

• -3

• 4

• -.047

• -192

Evaluate the function for the given value of x.
 $f\left(x\right)\ =\ \frac{1}{4}\cdot2^{x\ }$  x = 4

•  $\frac{1}{4}$  

• 2

• 4

• Not Here

Match the following exponential functions to their graph.
 $y\ =\ 3^x$  

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