7 th grade math

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What is the rule for this function?
input 1 output 3
input 2 output 5
Input 4 output 9
Input 5 output 11
Input 10 output 21
Input 12 output 25

Please help now thanks

  • 7 th grade math -

    It is like adding

  • 7 th grade math -

    Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you.

  • 7 th grade math -

    +9 then-7

  • 7 th grade math -

    y (output)
    x(input)

    y=2x+1

  • 7 th grade math -

    EWT

  • 7 th grade math -

    A phone call cost $3 minute


    Imput (x) rule output(y)

    1
    5
    10
    20

  • 7 th grade math -

    i love you

  • 7 th grade math -

    if the input is 3 and the output is 24 then what is the rule?

  • 7 th grade math -

    3×8

  • 7 th grade math -

    About to kms

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