Find parametric equations for the following curve. Include an interval for the parameter. The lower half of the parabola x = 7y², originating at (0,0) Choose the correct answer below. OA. x(t) = -t, y(t) = 7t²;0st<∞ OB. x(t) = 7t², y(t) = t;0st<∞ OC. x(t) = 7t², y(t) = -t;0st<∞

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