B. Here are two graphs that relate number of students and camp revenue in dollars.

B. Here are two graphs that relate number of students and camp revenue in dollars.
Which graph could represent function R? Explain why the other one could not
represent the function.
700
600
500
700
600
500 -
400
amount in dollars
400
300
amount in dollars
300
200
200
100
100
15
20
20
5
10
15
number of students
5
10
15
number of students