Answer
$4=\log_x{y}$
Work Step by Step
Take the log base $x$ of both sides:
$$\log_x{\left(x^4\right)}=\log_x{y}$$
Use the rule $\log_a{\left(a^x\right)}=x$ to obtain
$$4=\log_x{y}$$
Algebra 2 Common Core
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133186024
ISBN 13:
978-0-13318-602-4
Chapter 7 - Exponential and Logarithmic Functions - 7-3 Logarithmic Functions as Inverses - Practice and Problem-Solving Exercises - Page 457: 78
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