Question

use the following function rule to find f(3).
f(x) = 2x - 5
f(3) =

Explanation:

Step1: Substitute x = 3

Substitute x = 3 into f(x)=2x - 5. So we get f(3)=2×3 - 5.

Step2: Calculate the result

First, calculate 2×3 = 6. Then 6 - 5=1.

Answer:

1