Question

Solve F(x) for the given domain.

F(x) = x² + 3x - 2
F(3)=____
a. 13
b. 16
C. 40​

Answer 1

B. 16

Explanation:

F(3) means we must plug the number "3" into the equation for each x.

(3)^2 + 3(3) -2

9 + 9 - 2

16

Answer 2

16

Explanation:

F(x) = x² + 3x - 2

Let x=3

F(3)= 3^2 +3*3 -2

= 9+9-2

= 18-2

=16