Calculus

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Could someone help me with this question.

Determine what limit would be represented by the following graph.

imgur dot com/bceWN


I am not sure if it has open dot or closed but what would the equation be for open and closed dot?

  • Calculus -

    I don't see any dot. Also, it appears that the line at y=1 extends for all x, and for y=-1 only for x<0

    Assuming thet the graph is

    y = -1 for x < 0
    y = 1 for x > 0,

    it could be y = |x|/x

    If the line at y=1 extends for all x, then we could have

    y^2 = 1 for x<0
    y = 1 for x > 0

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