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3-85.

A 4 quadrant coordinate plane with the following points: (negative 1, comma negative 3), (0, comma negative 1), (1, comma 1), (2, comma 3), and (3, comma 5).Examine the graph at right.  

  1. Use the graph to complete the table:

    IN (x)

    OUT (y)

    Added to the coordinate plane, horizontal & vertical arrows, from the x, & y axes, to the points (1, comma 1), & (3, comma 5).

    IN (x)

     

      

    OUT (y)

     

     

  2. Use the graph to find the rule:
    ___________

    The graph is a line, so use what you know about rules in tables.