How do you find the inverse of $f(x) = 5x - 3$ ?

Question

22643 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2015-11-30T22:15:00

$y=(x-3)/5$

Replace $f(x)$ with $y$ .

$y=5x+3$

Swap $x$ and $y$ .

$x=5y+3$

Solve for $y$ .

$x-3=5y$

$(x-3)/5=y$

How do you find the inverse of f(x) = 5x - 3f(x) = 5x - 3?