Let
f(x) = 2 - x^2 if x <= 1
f(x) = 2x - x^3 if x > 1
Find f(-3) + f(0) + f(3).
f(-3) = 2 - (-3)^2 = 2 - 9 = -7
f(0) = 2 - (0)^2 = 2
f(3) = 2 - (3)^3 = 2 - 27 = -25
Can you take it from there ???