These tables represent an exponential function. Find the average rate of change for the interval from x = 9 to x = 10.
х
y
Interval
0
1
3
9
2
3
4
Average rate
of change
2
1]x3
6
1x3
18
1] x3
54
]x3
162
3x3
486
0 to 1
1 to 2
2 to 3
3 to 4
4 to 5
5 to 6
27
81
243
729

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score