PLEASE HURRY! Write the relation shown in the mapping diagram as a set of ordered pairs.
1-
1 3
0
-2.
5
2. Which set of ordered pairs represents a function?
A. {(-1, 4), (2, 4), (8,4), (10,4)}
nts
B. {(0, -2), (3,7), (0, 2), (18, 2)}
C. {(-1,3), (1, -1),(-1, -12), (-1,0)}
D. {(1, 2), (2, 3), (3, 4), (3,5)}

Here are the 30 best lifetime baseball batting averages of all time, arranged in order from lowest to highest: 0.319, 0.329, 0.330, 0.331, 0.331, 0.333, 0.333, 0.333, 0.334, 0.334, 0.334, 0.336, 0.337, 0.338, 0.338, 0.338, 0.340, 0.340, 0.341, 0.341, 0.342, 0.342, 0.342, 0.344, 0.344, 0.345, 0.346, 0.349, 0.358, 0.366 if you were to build a histogram of these data, which of the following would be the best choice of classes?