r(m)r, left parenthesis, m, right parenthesis models the average monthly rainfall (in millimeters) in Tanzania for the years 190019001900-200920092009 as a function of the month number mmm. Month # Rainfall (millimeters) 111 145145145 222 135.8135.8135, point, 8 333 179.1179.1179, point, 1 444 171171171 555 64.864.864, point, 8 666 12.612.612, point, 6 777 8.48.48, point, 4 888 8.98.98, point, 9 999 15.715.715, point, 7 101010 29.529.529, point, 5 111111 83.883.883, point, 8 121212 142.6142.6142, point, 6 Which number type is more appropriate for the domain of rrr? Choose 1 Choose 1 (Choice A) A Integers (Choice B, Checked) B Real numbers What's the appropriate domain? Choose 1 Choose 1 (Choice A) A 0\le m\le 179.10≤m≤179.10, is less than or equal to, m, is less than or equal to, 179, point, 1 (Choice B) B 8.4\le m\le 179.18.4≤m≤179.18, point, 4, is less than or equal to, m, is less than or equal to, 179, point, 1 (Choice C) C 1900\le m\le 20091900≤m≤20091900, is less than or equal to, m, is less than or equal to, 2009 (Choice D, Checked) D 1\le m\le 121≤m≤12