I need Precalc. help please?

2 ⤊

Im stuck with this problem..

f(x)= X-2/2X-2.....find the inverse

Thank you, I apprecitate it

2007-12-09 15:08:01 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

y = (x-2) / (2x - 2)
(2x-2)y = x - 2
2xy - 2y = x - 2

TIME TO SWAP

2yx - 2x = y - 2
2yx - y = 2x - 2
y(2x - 1) = 2x - 2
y = (2x - 2) / (2x - 1)

2007-12-09 15:13:33 · answer #1 · answered by Debt Payer 2 · 1⤊ 0⤋

Set y= (x-2)/(2x-2)
Solve for x in terms of y.
Check to see if the result is a bona fide function.

2007-12-09 23:11:46 · answer #2 · answered by cattbarf 7 · 1⤊ 0⤋