The shaded region between the graphs of y = 21:2 + 20 and y = 3:2? 15 is displayed below in orange. 25 I] 4 The shaded region lies between a: = C] and a: = C]. A typical rectangle is shown in the diagram located at position x. What is the area of this rectangle, in terms of at? Arc Now nd the total area of die orange shaded region. Write your answer in exact form