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9-50.

The graphs of and are shown at right. Use the graphs to solve:

  1. When the equations of graphs are set equal to each other, their points overlap.

  2. In terms of , where on the graph do the -values of exceed those of ?

    and 

2 upward parabolas, vertices at (negative 2, comma negative 1) & (negative 1.25, comma negative 6.125), intersect at the points (2, comma 15), & (negative 3, comma 0).