Alifeguard needs to rope off a rectangular swimming area in front of Long Lake Beach, using 1400 yd of rope and oats. What dimensions of the rectangle will maximize the area? What is the maximum area? (Note that the shoreline is one side of the rectangle.) mwW Let x be the length of a side of the rectangle perpendicular to the shoreline. Write the objective function for the area in terms of x. A(x) = D (T ype an expression using x as the variable.)