Scribage from 1/23/09




Today we started out by discussing test taking techniques:

-Always show exactly how you found an extreme (maxima or minima) by physically setting f’(x)=0

We also began work with slope fields.  Slope fields help to determine what the family of curves will look like if the anti-derivative of a differential function is graphed. (f’(x)=2x is the differential equation of f(x)=x^2+c)

-The tangent lines represent the slope at the same point on the original function (the slope of the tangent line at a point is equal to the slope of the original function at that same point)An example Slopefield

We also received a packet on slope fields that has problems for which we have to determine and graph the slope field.

Homework:

Do the packets and other handouts

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