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16 April, 06:34

If f (x) = x2 and g (x) = 1 over 2x + 3, find g (f (-1)).

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  1. 16 April, 08:33
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    F (x) = x^2

    g (x) = 1 / (2x+3)

    g (f (-1)) = ?

    x=-1→f (-1) = (-1) ^2→f (-1) = 1

    g (f (-1)) = g (1) = 1/[2 (1) + 3]=1 / (2+3) →g (f (-1)) = 1/5

    Answer: Third option 1/5
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