Question

Find the inverse of the following equation with steps: f(x) = (x-7)/x

Answer 1

Answer:

f(x) = (x - 7) / x

Replace x with y....where y is the inverse

f(x) = x

x = (y - 7) / y

xy = y - 7

xy - y = -7

y(x - 1) = -7

y = -7 / (x - 1)

inverse of f(x) = -7/(x - 1)