Question

7. If f(x)=x^2+5x-8,
then f(3)=

Answer 1

f(3)=16

Explanation:

Answer 2

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