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17 January, 02:12

If f (x) = - 8x - 4 and g (x)

which statement is true?

7x + 3,

Click on the correct answer.

9 is not in the domain of fºg.

9 is in the domain of fºg.

+1
Answers (2)
  1. 17 January, 02:49
    0
    Answer:i think 8x-4 is 4x.

    Step-by-step explanation:

    khan
  2. 17 January, 05:09
    0
    9 is in the domain of f (g (x))

    Step-by-step explanation:

    f (g (x)) = - 8*g (x) - 4

    = - 8 * (7x+3) - 4

    = - 56x - 24 - 4

    = - 56x - 28

    = - 28 (2x + 1)

    f (g (9)) = - 28 (2*9 + 1)

    = - 28*19

    = - 532

    Since 9 can be plugged into the compound function, it is in the domain.
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