Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 7 - Exponents and Exponential Functions - 7-6 Exponential Functions - Lesson Check - Page 450: 2


$g(-2) = 5$

Work Step by Step

We plug in the given value for the independent variable. Then, we follow the order of operations. According to the order of operations, we simplify inside of parentheses, then we simplify powers, then we multiply and divide, and finally, we add and subtract. We know that $a^{-n} = \frac{1}{a^n}$ $g(-2) = 45*3^{-2} = 45*\frac{1}{3^2} = 45*\frac{1}{9} = 5$
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