## College Algebra 7th Edition

$f^{-1}(x)=\frac{x - 7}{-5}$
f(x) = 7 - 5x y = 7 - 5x y - 7 = -5x $\frac{y - 7}{-5} = x$ $f^{-1}(x)=\frac{x - 7}{-5}$