If I could give you a million medals I would.

Can someone PLEASE help me with this? I don't understand how to do it.

http://o.aolcdn.com/hss/storage/fss/ef67e9b00d5865fc9dadb5c2ce15a30/Screenshot+2014-12-10+01.25.27.png

Question

If I could give you a million medals I would.

Can someone PLEASE help me with this? I don't understand how to do it. 

http://o.aolcdn.com/hss/storage/fss/ef67e9b00d5865fc9dadb5c2ce15a30/Screenshot+2014-12-10+01.25.27.png

whpalmer4 · Answer

Do you know how to find the average rate of change of a function over an interval?

ironhide · Answer

No, that's what I don't understand. I was just about to edit that into the question. I don't understand HOW to sort them in order because I don't know how to find the answers.

whpalmer4 · Answer

Okay.  First things first.  Here's a drawing of some arbitrary function:|dw:1418196701202:dw|

whpalmer4 · Answer

Now, I'm going to pick two points $a$ and $b$ on the $x$-axis:|dw:1418196772210:dw|