Question

Consider the function f(x) = x2 + 3x − 7. Find the value of f(x) when x = 3 and select the correct answer below. 5 8 11 18

Answer 1

F(x)=x^2+3x-7, x=3

f(3)=3^2+3(3)-7

f(3)=9+9-7

f(3)=11

Answer 2

F(x) = x^2 + 3x - 7 x = 3
(3)^2 + 3(3) - 7
9 + 9 - 7
18 - 7
f(3) = 11