Respuesta :
f(x) = -x² - 2x + 1
f(-5) = -(-5)² - 2(-5) + 1
f(-5) = -25 + 10 + 1
f(-5) = -15 + 1
f(-5) = -14
-14 <----- answer
f(-5) = -(-5)² - 2(-5) + 1
f(-5) = -25 + 10 + 1
f(-5) = -15 + 1
f(-5) = -14
-14 <----- answer