Answer
$x=3$
Work Step by Step
$g(x)=4$ is equivalent to the equation $y=4$. Therefore, we can look at the graph to find all values of $x\gt0$ that correspond to y=4.
$f(x)=4$ when $x=3$ for $x\gt0$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 3 - Section 3.2 - Introduction to Functions - Exercise Set - Page 142: 79
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