Answer
$y'= -2+3x^{-4} $
$y'' = -12x^{-5}$
Work Step by Step
$y= 4 - 2x - x^{-3}$
$y'= 0-2+3x^{-4} $
$y'= -2+3x^{-4} $
$y'' = 0-12x^{-5}$
$y'' = -12x^{-5}$
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.