Nabhitha practices the piano the same number of minutes each day. The relationship between the number of days,
x
x, and the total number of minutes she practices,
y
y, is represented by the graph below.
What point on the graph represents the unit rate?
1
2
3
4
5
6
7
8
9
10
11
12
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
800
850