Question

let $f(x)= -3x + 1$.
find the indicated expression.
$f(-x)$
$f(-x)=\square$
(simplify your answer.)

Explanation:

Step1: Substitute $x$ with $-x$

$f(-x) = -3(-x) + 1$

Step2: Simplify the expression

$f(-x) = 3x + 1$

Answer:

$3x + 1$