Question

Find f‘(x) given the integral function f(x)

Answer 1

du

Answer 2

@myko can u help?

Answer 3

And if you integrate 2u-3, with respect to u, what do you get?

Answer 4

hmm i get (x - 3) x

Answer 5

Umm.. Just take the integral of (2u-3)du, what does that give you?

Answer 6

ohh okay u^2 - 3u + C

Answer 7

Right, so now you just replace the 'u' with your limits and subtract the lower from the upper.

Answer 8

ohh okay thanks

Answer 9

You're welcome.

Answer 10

i got -x^2 - 3x is that correct?

Answer 11

Not sure where you got the -x^2 from, but in general it is.

Answer 12

\[(x^{2}-3x)-(0^{2}-3(0)) \rightarrow x^{2}-3x+c\]

Answer 13

ohh ok i see where i made my mistake

Answer 14

Excellent, good luck.

Answer 15

ohh ok i see where i made my mistake