The underside of a bridge ( over water ) forms a parabolic arch , which has a width of 50 feet at the base. Where the height of the arch is 20 feet high , its width is 30 feet. Is it possible for a sailboat with a 31- foot tall mast to pass under the bridge? a diagram it as well (ie - show where the x and y axis are and some of the critical points . write a let statement too