What is the average rate of change of the function on the interval from x = 1 to x = 2?
Is 4.5 the right answer??
f(x)=10*5.5^x
f(1)=10*5.5 = 55
f(2)= 10* 30.25 = 302.5
average rate of change = rise/run = (302.5-55)/(2-1) = 247.5
+912 
What is the average rate of change of the function on the interval from x = 1 to x = 2? 
