Question

What is the inverse function of f(x) = 4x - 1

Answer 1

`f(x) = (x + 1)/(4)`

Explanation:

To inverse the function switch the places of x and y like this:

x = 4y - 1

Now, solve for y:

`x + 1 = 4y\\(x + 1)/(4) = y`

It's that easy!

I hope this helps!!

- Kay :)