The parametric equations of four curves are given. Graph each of them, indicating the orientation.C1: x = 7sin t, y = 7 - 7cos2 t; 
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C2: x = ln t, y = ln t2; e-4 ? t ? e3C3: x = t2 - 8, y = t - 3; -4 ? t ? 4C4: x = t - 5, y = t + 2; -4 ? t ? 7
What will be an ideal response?
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