(1 point) Use the following figure, which shows a graph of f (x) to find each of the indicated integrals. (Click on the graph for a larger version.) Note that the first area (with vertical, red shading) is 39 and the second (with oblique, black shading) is 13. A. ff f(x)dx = B. f; f(x)dx = c. f; f(x)dx = n. f; |f(x)|dx =