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9 November, 05:38

If f (x) = x - 1 and g (x) = x3, what is (g•f) (8) ?

Enter the correct answer

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Answers (2)
  1. 9 November, 08:55
    0
    I will assume that you meant to type (g o f) (8).

    First we find f (8).

    f (8) = 8 - 1 or 7.

    We now find g (f (8)), which means g (7).

    g (7) = 7^3 or 343

    Answer:

    (g o f) (8) = 343
  2. 9 November, 09:07
    0
    Answer:7^3

    Step-by-step explanation:

    f (8) = 8-1=7

    g (f (8)) = 7^3
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