Question

Find the inverse of each function.

H(x) = -2/9x + 8/9

Answer 1

$H(x) = - \frac{2}{9} x + \frac{8}{9}$
$9H(x) = -2x + 8$
$2x=8-9H(x)$
$x = \frac{1}{2}(8-9H(x))$

$H^{-1}(x) = \frac{1}{2} (8-9x)$