Question

What is the derivative of f(x)=(2/x^2)-(3/x)+(1/2)? I'm trying to use the power rule. I got f'(x)=-4x^-3+3, but I'm stuck on the 1/2 part.

Answer 1

redo the 2nd terms derivative

Answer 2

d/dx of -3/x ??

Answer 3

and what is the derivative of any constant?

Answer 4

0

Answer 5

So f'(x) = -4x^(-3) + 3 ?

Answer 6

is wrong

Answer 7

what is the derivative of -3/x

Answer 8

Oh! +3x^-2

Answer 9

can be written as -3x^-1

Answer 10

correct

Answer 11

silly mistake

Answer 12

Thank you very much!

Answer 13

I knew you could do it because you got the first term right

Answer 14

your welcome