Answer
$80$
Work Step by Step
$f(t)=80-17\log(t+1)$
$f(0)=80-17\log(0+1)$
$f(0)=80-17\log1=80-17\times0$
$f(0)=80$
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.