Question: Given that f(x) = x2 - 3 and g(x) = 2x + 1, find each of the following, if it exists. (a) (f + g)

Given that f(x) = x2 - 3 and g(x) = 2x + 1, find each of the following, if it exists.
(a) (f + g) (5)
(b) (fg) (0)
(c) (f - g) (- 1)

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