Question

Find the derivative of f(x) = -3/x at x = -4

Answer 1

\[\Huge \frac{dy}{dx}~\frac{-3}{x}\] do you know your derivative rules?

Answer 2

No

Answer 3

Really, is this pre-calc?

Answer 4

yes

Answer 5

Ok, well did they show you how to do it like this? \[\Large \lim_{\Delta x \rightarrow 0}\]

Answer 6

look im sorry im trying to help a friend im just a freshman but she needs help fast so i never learned any of this.

Answer 7

wait! i think she got it... can you tell me if she's right?

Answer 8

she thinks its 3/16

Answer 9

She's correct, but does she know how she got it?

Answer 10

ya she looked back on her notes and got it sorry to bother u

Answer 11

It's not a bother, that's what this site is for :). Come back anytime, and I'll help you through cause I can't be there for your test.

Answer 12

Ok thank you so so so much.