what is the area of the region in the first quadrant bounded on the left by the graph of x=y^2 / 2 and on the right by the graph of x = 3y−4 for 2 ≤ y ≤ 4 ?
a. 10 - 56/6
b. 10 + 56/6
c. 720/8 - 112/3
d. 504/6 - 192/2 + 30