(10 points) Let A (a, b, c, d) and B (1,2,3). Determine whether the relation R from A to B is a function. If it is a function, give its range. a. R = {(a, 1), (b, 2), (c, 1), (d, 2)) (10 points) Let A-B-C-R, set of real numbers, and let f:A B, g: B C be defined by f(a) a -1 and g b2. Find 6, a. (fog)(2) b. (gof) (2)