Question: For the functions with formulae below, identify their domains, codomains and ranges and calculate values of f(2), f(3) and f(x). (a) f(x) = 3x 2

For the functions with formulae below, identify their domains, codomains and ranges and calculate values of f(2), f(–3) and f(–x).

(a) f(x) = 3x2 + 1

(b) f:x → √[(x + 4)(3 – x)]

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