Question: Classify each of the following as a PF (polynomial function), RF (rational function but not a polynomial function), or neither. (a) f(x) = 3x1/2 +

Classify each of the following as a PF (polynomial function), RF (rational function but not a polynomial function), or neither.
(a) f(x) = 3x1/2 + 1
(b) f(x) = 3
(c) f(x) = 3x2 + 2x-1
(d) f(x) = πx3 - 3π
(e) f(x) = 1 / x + 1
(f) f(x) = x + 1 / √x + 3

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