The function Æ’ is defined by Æ’(x) = (x + 3)(x + 1). the graph of Æ’ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of Æ’?
Bill works as a waiter and is keeping track of the tips he ears daily. about how much does bill have to earn in tips on sunday if he wants to average $22 a day? tips by day tips (dollars) monday tuesday wednesday thursday friday saturday $14 $22 $28 $36