College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 4, Exponential and Logarithmic Functions - Chapter 4 Review - Concept Check - Page 424: 2


$f(-2.2)\approx 0.653$ $f(\sqrt{7})\approx 18.775$ $f(5.5)=135.765$

Work Step by Step

We are given: $f(x)=3*2^{x}$ We evaluate with a calculator: $f(-2.2)\approx 0.653$ $f(\sqrt{7})\approx 18.775$ $f(5.5)=135.765$
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