#### Answer

exponential function

#### Work Step by Step

An exponential function has a variable as an exponent.
$h(x)=4(0.2^x)$
is an exponential function.

Published by
Brooks Cole

ISBN 10:
0-53449-636-9

ISBN 13:
978-0-53449-636-4

exponential function

An exponential function has a variable as an exponent.
$h(x)=4(0.2^x)$
is an exponential function.

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