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8 April, 05:34

F (x) = 2x-1

What is f (13) ?

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Answers (2)
  1. 8 April, 05:39
    0
    f (13) = 2x-1, x=7

    Step-by-step explanation:

    7*2=14, 14-1=13

    vise versa

    f (13) = 2 (7) - 1
  2. 8 April, 06:01
    0
    Answer: 25

    Step-by-step explanation: Easy. Just substitute 13 for x into the equation. f (13) = 2 (13) - 1

    = 26-1

    = 25
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