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6 March, 13:12

If a (x) = 4x - 2 and b (x) = 12 - x, find b[a (3) ].

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Answers (2)
  1. 6 March, 13:41
    0
    If a (x) = 4x-2

    b (x) = 12-x

    find b (a (3))

    b (a (3)) = 12 - (4 (3) - 2

    12 - (12-2)

    12-10=2

    b (a (3) = 2

    answer is 2
  2. 6 March, 16:43
    0
    A (3) = 4 (3) - 2 = 10

    so

    b[a (3) ] = 12 - 10 = 2

    answer

    2
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