y=3x-1/2x

My attempt:

x=

( I get stuck her what do l do with the y in the denominator ? )

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- February 19th 2009, 01:28 PMheneriInverse of function
y=3x-1/2x

My attempt:

x=

( I get stuck her what do l do with the y in the denominator ? ) - February 19th 2009, 01:48 PMHallsofIvy
Once you have that 2yx= 6y^2- 1, rewrite it as 6y^2- 2xy- 1 and use the quadratic formula to solve for y.

Solve that quadratic equation for x you will get a " ". This function does not have a true inverse. - February 20th 2009, 12:09 AMnyasha
- February 27th 2009, 04:24 AMnyasha