MAT_1143-feb_7

# MAT_1143-feb_7 - February 7 2011 Sections 2.1-2.3 Click to...

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Click to edit Master subtitle style February 7, 2011 Sections 2.1-2.3

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Graphs with Stories Obj104 Which student is in trouble with their parents? Why? How might they slant the truth? Obj105 Obj106
Average Rate of Change As indicated with the previous story We already have an idea of what is meant by the average rate of change For speed it is (Change in Distance)/(Change in Time) with units of Miles Per Hour or Miles/Hour

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Obj107 What is change in output? A-100 B-2 C-50 D- -100 What is change in input? A-100 B-2 C-50 D- -2
Average Rate of Change More generally it is (Change in Output)/ (Change in Input) Also given as (Of – Oi )/ (If – Ii ) It is an AVERAGE, so will be affected by what points we select and may not tell whole story (leaves out fluctuations) Is NOT affected by what we call final point versus initial point As long as we are consistent

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You MUST remember this formula Remember to be consistent in choice of 1st
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MAT_1143-feb_7 - February 7 2011 Sections 2.1-2.3 Click to...

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