# Chapter 9 - Section 9.3 - Logarithmic Functions - Concept and Vocabulary Check: 3

$1$

#### Work Step by Step

RECALL: $\log_b{x}=y \longrightarrow b^y=x$ Let $\log_b{b} = y$ Use the rule above to obtain: $\log_b{b}=y \longrightarrow b^y=b$ Use the rule $a^m=a^n \longrightarrow m=n$ to obtain: $b^y=b^1 \longrightarrow y = 1$ Thus, the missing expression in the given statement is: $1$

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.