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17 September, 20:18

Evaluate f (x) = sqrt (5x + 4) for x = 12

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  1. 17 September, 20:26
    0
    Answer is 8

    Work Shown:

    f (x) = sqrt (5*x + 4)

    f (12) = sqrt (5*12 + 4) ... replace every x with 12

    f (12) = sqrt (60 + 4)

    f (12) = sqrt (64)

    f (12) = 8
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