The function ƒ(x) = x3 – 3x + 2 is increasing on the interval -1 < x < 1.
True or False
2 answers
x3 means x^3
f'(x) = 3x^2-3 = 3(x^2-1)
f increases if f' > 0
so, what do you think?
f increases if f' > 0
so, what do you think?