A DVD store has two membership plans. Under Plan A, a yearly membership costs $30 plus $1.50 for each rental. Under Plan B, the yearly membership cost s $12 plus $3 for each rental. What number of rentals results in the same yearly cost?

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