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13.11.2020 • 
Mathematics

R(m)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)
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
1900\le m\le 20091900≤m≤20091900, is less than or equal to, m, is less than or equal to, 2009

(Choice C)
C
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 D)
D
1\le m\le 121≤m≤12

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