Respuesta :

Answer:  f(3) = 16

Work Shown:

f(x) = x^2 + 5x - 8

f(3) = 3^2 + 5(3) - 8 ... replace every x with 3; use PEMDAS to simplify

f(3) = 9 + 5(3) - 8

f(3) = 9 + 15 - 8

f(3) = 24 - 8

f(3) = 16

Answer:

f(3)=16

Step-by-step explanation: