OG.3.a) Here are two straight roads running parallel to each other together with specially marked points at {-3, - 1} and at {3, 1}: Clear [high, low, x] ; high [x_] = 1; low [x_] = -1; roads = Plot {high [x] , low[x] ] , {x, -4, 4), PlotStyle - { {GrayLevel [0.5], Thickness [0.02]}, {GrayLevel [0.5], Thickness [0.02]}}, AspectRatio + AxesLabel - {"x", ""], GoldenRatio PlotRange + {-2, 2), Epilog - { {PointSize [0. 04] , Point [ {-3, -1]]}, {PointSize [0. 04] , Point [{3, 1)])}]; 1. 5 0.5 -2 -0. 51 -1.5 -2 1 Design a smooth crossover that leaves the bottom road at {-3, - 1}, and connects to the top road at {3, 1}. For safety, make sure your crossover has at least order of contact 2 at both connections. Plot your crossover