Question 291551
Find the average rate of change for the function over the given interval.
y=√2x-1 between x=1 x=5
Answer is 1/2 
--------------------
Average change = (change in y values)/(change in x values)
=(f(5) - f(1))/(5-1)
---
= (sqrt(9)-sqrt(1))/(4)
---
= (3-1)/4
= 1/2
==============
Cheers,
Stan H.