Solving a Word Problem Thomas is designing a backdrop for the school play. He sketches out the design on a coordinate grid. The center of the backdrop is a figure graphed with the vertices (-8, 0), (-7, 2), (1, 1) and (0, - 6).
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Which of the following sets of ordered pairs describes a function? (A) { (2,3), (2,5), (4,7) } (B) { (2,1), (4,3), (5,7) } (C) { (3,-2), (2,4), (3,6) } (D) { (-1,4), (-1,5), (2,5) }
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