Question

2) Sendo f(x) = X²-7X +12

a) f(-1)
b) f(0)

Answer 1

Respostas:

f(x) = x² - 7x + 12

a) f(-1) = (-1)² - 7.(-1) + 12 = 1 - (-7) + 12 = 1 + 7 + 12 = 20

b) f(0) = 0² - 7.0 + 12 = 12