Answer
$\log_c (t\cdot y)$
Work Step by Step
Using $\log_b x +\log_b y=\log_b(xy),$ the given logarithmic equation, $
\log_c t+\log_c y
,$ is equivalent to
\begin{array}{l}\require{cancel}
\log_c (t\cdot y)
.\end{array}
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.