Quote (mw14000 @ 28 Oct 2009 14:42)
x| f(x) | g(x) | f ' (x) | g ' (x)
_______________________
3 | 1 | 16 | 8 | 5
4 | -3 | 3 | 2 | -5
ok so
Given= f(g(x))
Given Prime =f'(g(x)) X g'(x)
so
f'(g(x)) X g'(x) @ "x=4"
f'(g(x)) X -5
hence g(x) at "x=4" = 3
then for f'(x) at "x=3" = 8
8x(-5)=-40
This post was edited by ethan_u on Oct 28 2009 03:47pm