Which statements are correct? (4. None are correct is the wrong answer)

VLADOIV PDF w/o expl 7. CalC6a41b 10 pts possible The graphs of functions een Sh 0...02.2 x = f(y), I = g(y) O 1. II and III only determine regions A1, A2, A3 in a rectangle 2. III only in the first quadrant as shown in 3. II only (4, 3) 4. none are correct A2 5. I and II only A3 Al 6. all of them (1,1) f : - 9 :--- 7. I and III only 8. I only Consider the following possible values for the area of these regions: 1. Al = [ (u) dy - 2, II. A2 = 8- f(y) dy, III. A3 = [ to(y ) - f()}dy . Which are correct without further restrictions on f and g