Question

evaluate $f(x) = 4x - 7$ when $x = 3$.
use the keypad to enter your answer in the box.
$f(3) = \square$

Explanation:

Step1: Substitute $x=3$ into $f(x)$

$f(3) = 4(3) - 7$

Step2: Calculate the product term

$4(3) = 12$

Step3: Compute the final value

$f(3) = 12 - 7$

Answer:

5