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8 October, 04:24

Given the function f (x) = 2 (x + 8), find x if f (x) = 12.

1). 2

2). 40

3). - 2

4). 14

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Answers (1)
  1. 8 October, 04:38
    0
    F (x) = 2 (x+8) = 12

    2 (x+8) = 12

    divide both sides by 2

    x+8=6

    minus 8 both sides

    x=-2

    3rd option is answer
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