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June 3rd, 2014, 08:55 AM  #1 
Newbie Joined: Jun 2014 From: NY Posts: 1 Thanks: 0  How to find the average rate of change
Find the average rate of change the function over the given interval f(t)=3+sin t a.[ pi/2, pi] b[pi/2,3pi/2] I'm stuck with this question...I know the answer is a= 2/pi, and b=0 and I know I need to use the formula of f(x2)f(x1)/x2x1. But I need the really detailed information. Thanks for your help. 
June 4th, 2014, 06:51 PM  #2 
Member Joined: May 2013 From: Phnom Penh, Cambodia Posts: 77 Thanks: 0 
Let x1=pi/2, x2=pi delta(x)=x2 x1, delta(y)=f(x2)f(x1) Applying delta(y) /delta(x) 

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