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Mathematics 7 Online
OpenStudy (anonymous):

Which of the following is an even function? f(x) = (x – 1)^2 f(x) = 8x f(x) = x^2 – x f(x) = 7

OpenStudy (anonymous):

B?

jimthompson5910 (jim_thompson5910):

what does `(x – 1)^2` expand out to?

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