Which of the following ordered pairs lies on the graph of y = tanx? (-5pi/2, -1) (-9pi/4, 1) (pi/6, square root of 3) (5π, 0)

Bradley is preparing a presentation to show the ceo of his company. he wants to emphasize that the profits of their competitor have increased slowly over the past 16 months. the graphs below show the profit, y, of the competitor over the past 16 months. both graphs show the same information.