How do you find the average rate of change of #y=-x^2+4# over [1,5]?
1 Answer
Apr 1, 2017
Explanation:
The average change of
#(y(b)-y(a))/(b-a)#
Here, we see that:
#y(5)=-5^2+4=-21#
#y(1)=-1^2+4=3#
So the average rate of change is:
#(y(5)-y(1))/(5-1)=(-21-3)/4=-6#