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8 January, 20:39

If f (x) = x+3 and g (x) = x^2 - 4 find the expression for g (f (x))

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  1. 9 January, 00:23
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    Answer:g (f (x)) = x^2 + 6x+5

    Step-by-step explanation:

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

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

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

    g (f (x)) = x^2 + 6x+9-4

    g (f (x)) = x^2 + 6x+5
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