College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter 4 - Section 4.2 - Exponential Functions - 4.2 Exercises - Page 412: 107

Answer

$f(x)=2^x$

Work Step by Step

First, we have to find the function, by calculating the constant, $a$. If the function contains this point (3,8), then $f(3)=8$, this means: $a^3=8$ We take the cube root of both sides : $a=2$ Therefore, with $a=2$ the function is: $f(x)=2^x$.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.