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http://prntscr.com/mvpndf

 

is the answer 1/4

 Mar 10, 2019
 #1
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The average rate of change is the gradient of the line joining the 2 end points.

 

Gradient is the change in f(x) divided by change in x.

 

What is the change in f(x) between  x=5 and x=9 ?  

What is the change in x between  x=5 and x=9 ?  

 

So what is the average rate of change?

 

Please no one answer over me.   I am trying to teach!

 Mar 10, 2019

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