SOLUTION: prove that f(x)=2x^2-3 and g(x)= √((y+3)/2) are inverses of each other

Question 1040723: prove that f(x)=2x^2-3 and g(x)= √((y+3)/2) are inverses of each other
Answer by josgarithmetic(39616) (Show Source): You can put this solution on YOUR website!

-----------g of f works.

Now, try the same for composition . Does this also return the input variable? If yes, then for certain, f and g are inverses.
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SOLUTION: prove that f(x)=2x^2-3 and g(x)= &#8730;((y+3)/2) are inverses of each other

SOLUTION: prove that f(x)=2x^2-3 and g(x)= √((y+3)/2) are inverses of each other