Question

Find the derivative of f(x) = 5/x at x = -1.

Answer 1

You'd no doubt find this problem easier if you'd first rewrite f(x) = 5/x as \[f(x)=5x ^{-1}\]

Now apply the power and constant coefficient rules.

Answer 2

@seesawn?

Answer 3

-5

Answer 4

alright

Answer 5

thanks both of you

Answer 6

@PI3.14 : Please do NOT, repeat, NOT, provide answers. Guide the other person towards finding his or her own answer. that's why I deleted your response the first time. Please read the Code of Conduct, if you haven't already.
@seesawn: Please show how you'd obtain your answer.