Mrs. carson pays kristin $48 for babysitting 6 hours, and mr. vasquez pats her $67.50 for babysitting 9 hours. who pays kristin the better salary? explain your answer.

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