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Algebra 16 Online
OpenStudy (anonymous):

Which of the following is an even function? 1 .f(x) = |x| 2. f(x) = x3 – 1 3. f(x) = –3x

OpenStudy (unklerhaukus):

Even functions have a symmetry about the y axis

OpenStudy (anonymous):

It would be the first function, f(x) = |x|. f(x) satisfies the conditions of an even function because f(-x) = |-x|=|x|.

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