Question

P(x)=8x^3-8x^2-8x+8, quando x=1/2 ?

Answer 1

Resposta: 3

Explicação passo-a-passo:

P(1/2) = 8 x 1/2³ - 8 x 1/2² - 8 x 1/2 + 8

P(1/2) = 8 x 1/8 - 8 x 1/4 - 8 x 1/2 + 8

P(1/2) = 1 - 2 - 4 + 8

P(1/2) = -5 + 8

P(1/2) = 3