Question

Find the inverse of

\[g(x)=\frac{-5+5x}{-3-3x}\]

Answer 1

y = (-5+5x)/(-3-3x)

Solve for x.

Answer 2

this is tricky..

Answer 3

I know... is it \[f'(x)=\frac{5-3x}{5+3x}\] Do I leave it as that?

Answer 4

now did you got that?

Answer 5

how*

Answer 6

y = (-5+5x)/(-3-3x)

-3y -3xy = -5 + 5x

-3y + 5 = 5x + 3xy

-3y + 5 = (5+3y)x

Answer 7

Finally,

x = (-3y+5)/(5+3y)

Last step:

f(x)^-1 = (-3x+5)/(5+3x)

phew..

Answer 8

it's the same thing right, haha... I did the same thing you did...

Answer 9

Thanks for your help!

Answer 10

lol. i was in "challenge accepted" mode.. so i didn't saw what you wrote up. sorry.
welcome.

Answer 11

http://www.flickr.com/photos/daviper07/6874536089/

Answer 12

oh, kml!!!... you all are so funny, making math fun!!!