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13 January, 22:54

If } (x) = 8x and g (x) = 2x+1, find (fºg) (x).

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Answers (2)
  1. 13 January, 23:01
    0
    16x + 8 = (fºg) (x).

    Step-by-step explanation:

    If f (x) = 8x and g (x) = 2x+1, find (fºg) (x).

    This is a composite function. To form it properly, substitute g (x) = 2x + 1 for x in f (x) = 8x. We get:

    8 (2x + 1) (x), or 16x + 8 = (fºg) (x).
  2. 13 January, 23:06
    0
    Answer: 16x+8

    Step-by-step explanation:

    (fоg) (x) is f of g (x). This means you plug in g (x) into f (x). Since we are given f (x) and g (x), we can directly plug in g (x) into x.

    (fоg) (x) = 8 (2x+1) [distribute 8]

    (fоg) (x) = 16x+8
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