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Let f: N to R be defined by f(x) = 4x^(2...

Let `f: N to R` be defined by `f(x) = 4x^(2) + 12x+ 15`. Show that `f: N to S` where S is the range of function f, is invertible. Also find the inverse of f.

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The correct Answer is:
`f^(-1)=g`
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