Question: Let W = {f(x) = P | f(x) = ax + br2, where a, b = R}. Is W a subspace of P4? If

Let W = {f(x) = P | f(x) = ax + br2, where a, b = R}. Is W a subspace of P4? If so, find its basis, and

Let W = {f(x) = P | f(x) = ax + br2, where a, b = R}. Is W a subspace of P4? If so, find its basis, and determine dim W. Show all your work.

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