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OpenStudy (campayne):
Which of the following is an even function? g(x) = (x – 1)2 + 1 g(x) = 2x2 + 1 g(x) = 4x + 2 g(x) = 2x
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OpenStudy (twwc960):
Only the second function g(x)=2x^2+1 is an even function since g(-x)=g(x). All others are not even. For example, the graph of the first function is a parabola with vertex at (1,1) which is not the same as it's reflection in the y-axis.
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