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30 March, 09:49

Given f (x) = 2x^2-3 and g (x) = x+4. What is (fg) (x) ?

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  1. 30 March, 10:06
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    To solve a composite function like this one you have take whatever g (x) is and substitute it for every x in f (x).

    f (g (x)) = 2 (x+4) ^2-3
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