Question: Use a calculator to graph all three parabolas on the same coordinate system. Describe (a) the shifts of y = x2 that occur and (b) how each parabola opens. Describe (a) the shifts and (b) the stretching and shrinking.
(a) y = x2
(b) y = -3(x - 2)2
(c) y = 1(x + 2)2
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