MAT 230: PARAMETRIC EQUATIONS AND CALCULUS -2-112-2-112xyObjectives: a. Evaluate a parametric equation at a point and write as a coordinate. b. Determine dxdtanddydt, evaluate at a point and interpret their meaning. c. Determine dydxevaluate at a point and interpret its meaning. d. Determine the equation of a tangent line at a point on a parametric curve. e. Determine the speed at a point on a parametric equation and interpret its meaning. f. Determine the open intervals for which a parametric curve is concave up and concave down.