Question

Am I right?

Find the derivative of f(x) = 6 divided by x at x = -2.

The answer would be -(3/2)

Answer 1

\[f(x)=\frac{6}{x}\] like this ?

Answer 2

Mhm.

I think it's either that or just 6.

Answer 3

So.. Am I right or wrong?

Answer 4

f(x)= 6/x

my answers are either -(3/2) or 6.

Answer 5

@IAmSinged

Answer 6

Put the equation as 6x^-1 since it's easier to use the product rule on if you're new to calculus.

The derivative of that is -6x^(-2). Plugging in -2 gets me 3/2.

Answer 7

thank you.

Answer 8

*-3/2

Answer 9

oh! ohkay, so I was right. thank you!

Answer 10

what if I have

of f(x) = -6/x at x = 12.

Answer 11

it would be 1/2, right?

Answer 12

@IAmSinged

Answer 13

If you want f'(x) at 12:

f(x) = -6x^-1
f'(x) = 6x^-2 = 6/x^2
f'(12) = 6/144 = ~0.04167

Answer 14

1/24 then?

Answer 15

Yep.

Answer 16

Thank you very much then. c: