The revenue each season from tickets at the theme part is represented by t(x) = 5x. The cost to pay the employees each season is represented by r(x) = (1.5)x. Examine the graph of the combined function for total profit and estimate the profit after four seasons. The graph starts on the x axis near one fourth and increases through the point 4 comma 15 to a maximum near 6 comma 18.5. The graph then decreases until it touches the x axis near 9.5. Group of answer choices 1 5 10 15