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Prove that the function f:[0,∞)→R given by f(x)=9x2+6x−5 is not invertible. Modify the codomain of the function f to make it invertible, and hence find f−1.

Answer» Prove that the function f:[0,)R given by f(x)=9x2+6x5 is not invertible. Modify the codomain of the function f to make it invertible, and hence find f1.


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