Tuesday, October 5, 2010

scribe post for tuesday 10-5

Today we started class by taking the super correction follow-up test

We then looked at last years 4th quarter project where we found the equation for a car with a constant velocity : Mr. O’Brien then showed us that at the end of the year everyone was doing calculus
Economics:
Marginal Change Ex/
Where c is the cost in 100s of dollars of producing x itemsMarginal cost is the derivative of the cost function
If x=7 then c’(7)=19 or $1,900/item


We were then given an envelope with 6 functions and 9 derivative functions and were told to match the function with their derivative function the graphs allowed us to see how the graph of a function relates to its derivative function. An even function would give you a odd derivative function which matches with how the power rule works by dropping down a power every time.if you want to practice do here http://mathdl.maa.org/mathDL/47/?pa=content&sa=viewDocument&nodeId=2651&pf=1

don't forget Assignment #3: * p.147/3, 10, 11, 15, 17, 18, 19, 21, 23, 27-32 is due thursday

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