The parabola hits (-2,1) and (0,-1). As you can see from the pictures, we can immediately cross out options B and D, since both parabola open upwards. From the pictures, we can see that the answer is C, since only that parabola opens downwards and hits the points (-2,1) and (0,-1).
She uses 62.5 when company comes over because when there is no company to answer the question 48 time 2 is 96 then configure that is 60, if you understand where I am coming from. THE ANSWER IS 62.5
