Thursday, August 21, 2014

Even and odd functions

From  Khan Academy and Wikipedia

A function is even if f(x)=f(x) for all values of x.
A function is odd if f(x)=f(x) for all values of x.
 The graph of an even function is symmetric with respect to the y-axis.
 The graph of an odd function has rotational symmetry with respect to the origin, meaning that its graph remains unchanged after rotation of 180 degrees about the origin   


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