Find the x-coordinate of the absolute minimum of f(x) = x^3 - x^2 - x +1 on the interval [-2, 2]

Question

The function f(x) = x^3 - 2x^2 is increasing on which of the following intervals?
a)x<0 only
b)x>4/3 only
0<x<4/3
d)x<0 or x>4/3
e)x<0 or x>3/4

Answer 1

You can check your calculus with this:
http://www.eserc.stonybrook.edu/ProjectJava/lisa1998/graph/advGraph/home.html

Answer 2

THAT IS A VIRUS

Answer 3

It clears my virus checker, it is rated a good site by Google, and by WOT.