Use any method (including geometry) to find the area of the following region. Sketch the bounding curves and the region in question. K The region in the first quadrant bounded by y = x and y = 3 Choose the correct graph below. O A. OB. O C. OD Q 19 Set up the integral that will give the area of the region. Choose the correct answer below. 5 2 OA. x dx OB. yz dy oc. [/3-y dy OD. 3 x dx 0 12 e area of the region is (Type an exact answer )