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25 December, 00:15

If f (2) = 10, f (3) = 20, f (4) = 30, f (5) = 40, then f (7) =

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Answers (2)
  1. 25 December, 00:28
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    The pattern is that you add 10 every time.
  2. 25 December, 02:38
    0
    60

    Step-by-step explanation:

    f (2) = 10, f (3) = 20, f (4) = 30

    so the pattern is that f (x) = 10x-10

    therefore, f (7) = 10*7-10 = 70-10 = 60
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