math

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input 1 2 3 4 5 6 7

output5 9 13 17

  • math -

    judging from what I see, we have the output increasing by 4 when the input increases by 1.

    so, look for something like

    y = 4x

    Since 5=4+1, I'd try

    y = 4x+1

    That seems to work.

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