Asporting goods store uses quadratic equations to monitor the daily cost and profit for various items it sells. the store’s daily profit, y, when soccer balls are sold at x dollars each, is modeled by y=6x^2 + 100x - 180. why is there an interval over which the graph decreases? a. if the store sells more soccer balls, they can decrease the price. b. if the soccer balls are returned for a refund, the store will lose money. c. if the soccer balls are too expensive, fewer will be sold, reducing profit.

Which fraction below is equivalent to 10/12?

Hye ryung is the president of the local chapter of the american medical students association (amsa). she is organizing local outreach and informational meetings. at her first meeting there are five people present (including herself). every month after that her group grows by 5 people. a. how many members are in the group after 6 months? b. the logistics of hosting and feeding her group at meetings was more complicated than expected. the cost of feeding 5 people at her first meeting was $30, for 10 people it was $35, for 15 it was $45, and after 6 months all of the costs had added up to $100. write a function to model the cost with the number of people attending meetings. c. what connections can you make between the linear growth of the group’s membership and the increasing costs of running meetings?

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?