if f(x)= x^3 -3x^2 +3x-4, find f(2)+f(-2)+f(0).
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Explanation:
f(2) = 2³-3(2)²+3(2)-4
= 8-12+6-4
= 14-16
= -2
f(-2) = (-2)³-3(-2)²+3(-2)-4
= -8-12-6-4
= -30
f(0)= 0³-3(0)²+3(0)-4
= 0-0+0-4
= -4
f(2)+f(-2)+f(0)
-2+(-30)+(-4)
-2-30-4
-36