These tables represent a quadratic function with a vertex at (0, -1). What is
the average rate of change for the interval from x = 9 to x = 10?
X
Interval
0
1
2
3
4
y
-1
-2.
-5
-10
-17
-26
37
O to 1
1 to 2
2 to 3
3 to 4
4 to 5
5 to 6
Average rate
of change
-1
17-2
-3
11-2
-5
-7
1-2
-9
11-2
-11
1-2
5
6
O A. -2
OB. -82
O C. -101
O D.-19