Question

invert linear functions
score: 0/2 penalty: none
question
find the inverse function in slope-intercept form (mx+b):
$f(x) = -x + 13$

Explanation:

Step1: Replace $f(x)$ with $y$

$y = -x + 13$

Step2: Swap $x$ and $y$

$x = -y + 13$

Step3: Solve for $y$

$y = -x + 13$

Answer:

$f^{-1}(x) = -x + 13$