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13 November, 12:48

G (x) = 3x - 2

f (x) = x + 5

Find (gºf) (-2)

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Answers (1)
  1. 13 November, 16:12
    0
    The answer to your question is (g°f) (x) = 7

    Step-by-step explanation:

    Data

    g (x) = 3x - 2

    f (x) = x + 5

    (g°f) (-2)

    Process

    1. - Evaluate g (x) on f (x)

    (g°f) (x) = 3 (x + 5) - 2

    -Expand

    (g°f) (x) = 3x + 15 - 2

    -Simplify

    (g°f) (x) = 3x + 13

    2. - Evaluate (g°f) (x) on - 2

    (g°f) (-2) = 3 (-2) + 13

    -Expand

    (g°f) (-2) = - 6 + 13

    -Simplify

    (g°f) (x) = 7
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