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12 March, 12:58

If f (x) = 3x-15, what is f (4) ?

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Answers (2)
  1. 12 March, 14:13
    0
    x=6.33

    Step-by-step explanation:

    4=3x-15

    19=3x

    6.33=x
  2. 12 March, 14:36
    0
    f (4) This means that x is 4, so you can plug in 4 for "x" in the equation

    f (x) = 3x - 15

    f (4) = 3 (4) - 15

    f (4) = 12 - 15

    f (4) = - 3
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