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20 May, 18:23

If f (x) = x+4 and g (x) = 2x2-x-1, evaluate the composition (g o f) (2).

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  1. 20 May, 20:29
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    65

    Step-by-step explanation:

    Evaluate f (2) then substitute the value obtained into g (x), thus

    f (2) = 2 + 4 = 6, then

    g (6) = 2 (6) ² - 6 - 1 = 72 - 6 - 1 = 65
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