Answer
-5
Work Step by Step
$g^{\prime}(t)=[t^{-5}]^{\prime}=-5t^{-6}$
the slope of the tangent at $t=1$
$=g^{\prime}(1)=-5(1)^{-6}=-5$
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.