Find [ ] (x- - 4 )d4 where R is the region in the first quadrant enclosed R between y = x and y = x-. O A. \\( - \\frac{{24}}{{29}}\\) O B. \\( - \\frac{{24}}{2} }\\) O C. \\ \\frac{{29}}{{24} }\\) O D. \\( - \\frac{{29}}{{24}}\\)