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3 September, 18:02

Find g[f (5) ] if f (x) = x + 1 and g (x) = 3x - 2

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  1. 3 September, 18:16
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    First step:

    Calculate f (5). Put x = 5 to the equation f (x) = x + 1:

    f (5) = 5 + 1 = 6

    Second step:

    Calculate g[f (5) ] = g (6). Put x = 6 to the equation g (x) = 3x - 2:

    g (6) = 3 (6) - 2 = 18 - 2 = 16

    Answer: g[f (5) ] = 16
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