Answer
logarithmic
Work Step by Step
$f(x)=3^{x}$ is an exponential function,
whose inverse function is $f^{-1}(x)=\log_{3}x,$
a logarithmic function.
Fill the blank with: logarithmic.
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.