Question: The function f is defined by f: x 4x x for x 2. a) Express 4x x in the form a

The function f is defined by f: x ↦ 4x − x² for x ≥ 2.

a) Express 4x − x in the form a − (x − b)², where a and b are positive constants.

b) Express f−1(x) in terms of x.

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ANSWER a We can complete the square to express 4x x in the desired form 4x x2 x2 4x x ... View full answer

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