Question

1. for $f(x) = 9x - 6$, find $f(x)$ when $x = 4$.

a. 30
b. -18
c. 39
d. -42

1. for $f(x)$

Explanation:

Step1: Substitute x=4 into f(x)

$f(4) = 9(4) - 6$

Step2: Calculate the product term

$9(4) = 36$

Step3: Compute the final value

$36 - 6 = 30$

Answer:

a. 30