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27 December, 18:18

What is f (x) = 3x + 4, then 2f (x) + 4

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  1. 27 December, 20:40
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    F (x) = 3x + 4

    2f (x) + 4

    2 (3x + 4) + 4

    2 (3x) + 2 (4) + 4

    6x + 8 + 4

    6x + 12
  2. 27 December, 21:08
    0
    F (x) = 3x+4

    2f (x) + 4=

    2 (3x+4) + 4=

    6x+8+4=

    6x+12=6 (x+2)
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