For the given graph of a function, determine (a) f(4), (b) the domain, (c) any x-values for which f(x)equals2, and (d) the range. Question content area bottom left Part 1 (a) Determine f(4). f(4)equals negative 6 Part 2 (b) Determine the domain. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The domain is the set of discrete values StartSet nothing EndSet . (Use a comma to separate answers as needed.) B. The domain is the set StartSet x | nothing EndSet . (Type an inequality or a compound inequality.) C. The domain is the set of all real numbers. . . . Question content area right Part 1 -20 -16 -12 -8 -4 4 8 12 16 20 -20 -16 -12 -8 -4 4 8 12 16 20 x y A coordinate system has a horizontal x-axis labeled from negative 20 to 20 in increments of 1 and a vertical y-axis labeled from negative 20 to 20 in increments of 1. From left to right, a curved line segment rises from a closed circle at (2, negative 7) at an increasing rate passing through the points (4, negative 6) and (6, negative 3), and ends at a closed circle at (10, 9)