Respuesta :

arodri04

Answer:

f(-1) = 3

f(1) = -1

Step-by-step explanation:

f(x) = x^2- 2x; substitute the value into x

f(-1) = [tex]x^{2}[/tex] - 2x = [tex](-1)^{2}[/tex] - 2(-1) = 1 + 2 = 3

f(1) = [tex]x^{2}[/tex] - 2x = [tex](1)^{2}[/tex] - 2(1) = 1 - 2 = -1