Question

What is the inverse of f(x)=(4x-3)/7

Answer 1

f(x)^-1 =
`(1)/(28) x + (3)/(4)`

Explanation:

f(x) = (4x - 3) / 7

y = (4x - 3) / 7

x = (4y - 3) / 7

x / 7 = 4y - 3

x/7 + 3 = 4y

y =
`(1)/(28) x + (3)/(4)`