Respuesta :

f(x) = x^2 + 5x.......evaluate f(-2).....so sub in -2 everywhere there is an x

f(-2) = -2^2 + 5(-2)
f(-2) = 4 - 10
f(-2) = -6 <==

Answer:

-6

Step-by-step explanation:

substitue -2 fror x