Can someone walk me through the steps of how to graph this in Excel, please? The equation is this: h(t)=-16t[sup:2qani4c5]2[/sup:2qani4c5]+280t+17 Or if the program wants x and y, I suppose it is this: y=-16x[sup:2qani4c5]2[/sup:2qani4c5]+280x+17