College Algebra (11th Edition)

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

Chapter 4 - Section 4.3 - Logarithmic Functions - 4.3 Exercises - Page 423: 31

Answer

$13$

Work Step by Step

Rewrite the equation using the definition of logarithm. $(\frac{1}{2})^{-4}=x+3$ Simplify out the negative exponent of $\frac{1}{2}$ by finding the reciprocal. $2^4=x+3$ Simplify. $x=13$
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