Exponential Growth and Decay

 $y=4\left(\frac{1}{2}\right)^x$  What's the y-intercept of the function?

• 4

•  $\frac{1}{2}$  

• x

• -4

 $y=-2\left(\frac{1}{4}\right)^x$  Does this function show growth or decay?

• growth

• decay

• neither

• both

 $y=-1.5\left(3\right)^x$  What's the y-intercept of the function?

• -1.5

• 3

• 1.5

• x

 $y=-12\left(7.4\right)^x$  Does this function show growth or decay?

• growth

• decay

• neither

• both

Where's the horizontal asymptote in the graph?

• x = 0

• x = 1

• y = 0

• y = 1

What's the DOMAIN for this exponential graph?

• all real numbers

• y > 0

• y < 0

What's the range of this exponential graph?

• all real numbers

• y > 0

• y < 0

What's the range of this exponential graph?

• all real numbers

• y > 0

• y < 0

 $y=2\left(\frac{1}{2}\right)^x$  Find the graph that matches this exponential function.  Use Desmos or your calculator to graph out the function.

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 $y=-3\left(5\right)^x$  Find the graph that matches this exponential function. Use Desmos or your calculator to graph out the function.

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