The profile of the cables on a suspension bridge may be modeled by a parabola. the central span of a bridge is 12101210 ft long and 128128 ft high. the parabola y equals 0.00035 x squaredy=0.00035x2 gives a good fit to the shape of the cables, where startabsolutevalue x endabsolutevalue less than or equals 605x≤605, and x and y are measured in feet. approximate the length of the cables that stretch between the tops of the two towers.