Question

Se f(x) = 2x^3 - 1. Determine f(0) + f(-1) + f(1/2).

Answer 1

Sendo a função f(x) = 2x³ - 1,

f(0) = 2 . (0)³ - 1 = -1


f(- 1) = 2 . (- 1)³ - 1 = - 3

f(1/2) = 2 . (1/2)³ - 1 = - 3/4

- 1 + (- 3) + (-3 /4) = - 1 - 15/4 = - 19/4