According to the given statement the answer is (f . g) (3) = 594.
In mathematics, functional function is a statement, guideline, or rule that establishes the connection here between explanatory variables and an outcome variable (the dependent variable).
Every graph is indeed a function whether any vertical line created may cross it at no more than one point. The graph does not constitute a function if there is any location where a vertical line may cross it at two or more places.
(f . g) (3)
(f . g) (x) = f(x) . g(x)
(f . g) (3) = f(3) . g(3)
= 4(3)² - 3 × 2(3) + 3
= 33 × 18
= (f . g) (3) = 594
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