math

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the input is 1 output is 2 input is 2 output is 5 input is 3 output is 10 input is 4 output is 17 input is 5 output is 26 what is the rule

  • math -

    It's easier to see this way.

    input is 1 output is 2
    input is 2 output is 5
    input is 3 output is 10
    input is 4 output is 17
    input is 5 output is 26

    Do you see the pattern?

    Think squares.

  • math -

    okay but what woulde be the rule

  • math -

    What do you think the rule is?

  • math -

    idk that is why i asked i have been up for 2 hrs trying to figure it out

  • math -

    plz

  • math -

    The input is squared and 1 added to make the output.

    1^2 + 1 = 2
    2^2 + 1 = 5
    3^2 + 1 = 10

  • math -

    ty so much

  • math -

    You're very welcome.

  • math -

    okay new question.... The graph of 5x-2y=10 intersects the x-axis and the y-axis what are the ordered pairs for these two pairs of intersection A.(2,0) and (0,5)
    B. (2,0) and (0,-5)
    C.(-2,0) and (0,5)
    D. (-2,0) and (0,-5)

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