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?
y
Interval
0
1
2
3
4.
5
1-2
2
-5
-10
-17
-26
-37
Average rate
of change
-1
1]-2
-3
-5
11-2
-7
11-2
11-2
-11
O to 1
1 to 2
2 to 3
3 to 4
4 to 5
5 to 6
6
10