A square pen that is surrounded by a fence is divided into 2 rectangular regions by adding a new fence that connects the midpoints of 2 opposite sides. By what percent has the total length of fencing been increased?

Which statement is true about the local minimum of the graphed function? over the interval[-4,-2], the local minimum is 0. over the interval [-2,-1] , the local minimum is 25. over the interval [-1,4], the local minimum is 0. over the interval [4,7], the local minimum is -7