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10 August, 11:08

In the function f (x) = 2x + 12, what is the output when the input is 15?

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Answers (2)
  1. 10 August, 11:52
    0
    42

    Step-by-step explanation:

    f (x) is the output

    Substitute x = 15 into f (x)

    f (15) = 2 (15) + 12 = 30 + 12 = 42 ← output when input is 15
  2. 10 August, 13:22
    0
    Put x=15,

    f (15) = 2.15+12 = 42
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