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what is an even function

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what is an even function

asked Aug 26, 2011 in Calculus Answers by anonymous

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1 Answer

even functions are those where f(x) =f(-x)

they are symmetric to the y-axis

y=x^2 +3 is an even function

y=cos x is an even function

y=3x^4 -7x^2 +1 is also

answered Aug 26, 2011 by wbechem Level 5 User (12.9k points)

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