5-1 Practice

Which graph(s) represent exponential growth?

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Which graph(s) represent exponential decay?

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Which equation(s) represent exponential growth?

• $y=.5\left(\frac{3}{2}\right)^x$

• $y=\left(6\right)^x$

• $y=100\left(\frac{1}{2}\right)^x$

• $y=2\left(1.75\right)^x$

Which equation(s) represent exponential decay?

• $y=1,000\left(\frac{5}{6}\right)^x$

• $y=0.1\left(\frac{5}{4}\right)^x$

• $y=0.99^x$

• $y=6\left(2\right)^x$

Which exponential function has an initial value of (0, 6)?

• $y=6^x$

• $y=6\left(2\right)^x$

• $y=3x+6$

• $y=0.6\left(7\right)^x$

Which exponential function has a 60% growth?

• $y=2\left(0.4\right)^x$

• $y=60^x$

• $y=3\left(\frac{8}{5}\right)^x$

• $y=60\left(0.6\right)^x$

Which exponential function has a 75% decay?

• $y=9\left(0.75\right)^x$

• $y=3\left(0.25\right)^x$

• $y=2\left(1.75\right)^x$

• $y=75^x$

Which exponential function has an initial value of 7 and a 400% growth?

• $y=7\left(5\right)^x$

• $y=7\left(4\right)^x$

• $y=4\left(7\right)^x$

• $y=7\left(400\right)^x$

Which graph represents the function

 $y=6\left(0.8\right)^x$  ?

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What is the domain and range of the exponential function graphed?

• The domain is all real numbers greater than 0.

• The range is all real numbers.

• The range is all real numbers greater than 0.

• The domain is all real numbers.