February 27, 2017

Homework Help: CALCULUS

Posted by joey on Sunday, February 15, 2009 at 9:05pm.

show that f(x) = x^2-1 (x is greater than and equal to 0) and g(x) = root(x-1) (x is greater than and equal to -1) are inverse functions.

when i try f(g(x)) = x and g(f(x)) = x to show that the two functions are inverses it doesn't work because i am not left with x when i solve the equation....

much help is needed thansk

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