Question

1) Considere a função f(x) x2-2x 1. Determine:
a) f(-1) 2. f(1)

b) f(-2) (-3)

c) f(x) 1

Answer 1

Boa noite 

f(x) = x² - 2x + 1

f(1) = 1 - 2 + 1 = 0
f(-1) = 1 + 2 + 1 = 4
f(-2) = 4 - 4 + 1 = 1
f(-3) = 9 + 6 + 1 = 16