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4 December, 08:42

Let f (x) = 4 + 5x and g (x) 2x - 1. Find f (g (x)) and g (f (x))

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Answers (1)
  1. 4 December, 09:02
    0
    The answer to your question is:

    a) 10x - 6

    b) 7 - 10x

    Step-by-step explanation:

    Data

    f (x) = 4 + 5x

    g (x) = 2x - 1

    a) f (g (x)) = 4 + 5 (2x - 1)

    = 4 + 10x - 10

    = 10x - 6

    b) g (f (x)) = 2 (4 + 5x) - 1

    = 8 - 10x - 1

    = 7 - 10x
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