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8 March, 19:16

If f (x) = x^2 + 5 and g (x) = 5x+4, what is the [fg] (6)

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  1. 8 March, 19:23
    0
    Hello from MrBillDoesMath!

    Answer:

    1161

    Discussion:

    g (6) = 5 (6) = 4 = 30 + 4 = 34

    so

    f (g (6) = f (34) = 34^2 + 5 = 1156 + 5 = 1161

    Regards,

    MrB
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