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Contour maps

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F(x,y)= x+y/x-y

f(x,y)= y - cos(x)

Draw a contour map of each of the functions showing several level curves.

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This provides an example of drawing a contour map of functions.

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Draw a contour map of each of the functions showing several level curves.
a level curve for a function f(x,y) is a graph of the equation f(x,y) = c for some number c. The level ...

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