Question

find the derivative of f(x)=5/x^3-2 at the point (-2,-1/2)

Answer 1

Hint: \(\dfrac5{x^3}\)is the same as \(5x^{-3}\)

Answer 2

so if I derived it I would get -15x^-4

Answer 3

exactly :D

Answer 4

then do I plug in 2

Answer 5

nope you plug in -2

Answer 6

okay and that's it

Answer 7

yep that's it