College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 6 - Section 6.4 - Logarithmic Functions - 6.4 Assess Your Understanding: 60

Answer

$a=2^{1/4}$

Work Step by Step

We are asked to find a graph of $y=log_a(x)$ that contains the point (.5, -4). This implies: $a^y=x$ $a^{(-4)}=.5$ $a=(.5)^{(-1/4)}$ $a=2^{1/4}$
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