4. The table below shows the number of students in Mrs. Lewis' class who have birthdays in each month, which is represented by a number. Identify the domain and range. Determine whether the relation is discrete or continuous and whether it represents a function.
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10
11
12
2
5
3
Birth Months of Mrs. Lewis' Students
Month
1 2 3 4 5 6 7 8 9
Number of
4
8 2 1 2 0 2 2 3
Students
A. OD = {1, 2, 3, ..., 10, 11, 12); R = {0, 1, 2, 3, 4, 5, 8); continuous; function
B. OD = {1, 2, 3, ..., 10, 11, 12); R = {0, 1,2,3,4,5,8); discrete; function
C. OD = {all real numbers}; R = {all real numbers): continuous; function
D. OD = {all real numbers); R = {all real numbers); discrete; function