The following graph shows a proportional relationship.
What is the constant of proportionality between yyy and xxx in the graph?

Constant of proportionality ==equals

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