Confused_111
Nov 17, 2007, 03:05 AM
Hi there could you please help me with this, I don't know where to start after I differentiated it:
If f(x)=9+2x^2-x^3, f`(x)>0 for:
a) x<0
b) x>4/3
c) X<0 or x>4/3
d) 0<x<4/3
e) all x
If f(x)=9+2x^2-x^3, f`(x)>0 for:
a) x<0
b) x>4/3
c) X<0 or x>4/3
d) 0<x<4/3
e) all x