Thread: Inverting fucntions

Having trouble inverting these functions, I get stuck when trying to solve for y,


and

Hello !

Originally Posted by Robb

Having trouble inverting these functions, I get stuck when trying to solve for y,


and

Now solve this quadratic equation for u. The root has to be positive. So following the values of y, you'll have two expressions for u.
Then substitute get back to
And you're done =)

For the second one :







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