Question 864610
Find the absolute maximum and minimum of
f(x) = 2 x3(x cubed) - 9 x2(x squared) - 60x
on the interval:  -4< x < 8
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{{{f(x) = 2x^3 - 9x^2 - 60x}}}
f'(x) = {{{6x^2 - 18x - 60 = 0}}}
{{{x^2 - 3x - 10 = 0}}}
x = -2, x = 5