Mark has sold 1000 tickets for a raffle. they were sold in books of ten. in total mark collected £375 for all 1000 tickets. how much does one book 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