Question

1. for $f(x) = 4x - 1$, find $f(x)$ when $x = 4$.

a. 12
b. 19
c. 15
d. -17

Explanation:

Step1: Substitute $x=4$ into $f(x)$

$f(4) = 4(4) - 1$

Step2: Calculate the product term

$4(4) = 16$

Step3: Compute the final value

$16 - 1 = 15$

Answer:

c. 15