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Mathematics 17 Online
OpenStudy (anonymous):

Which statement best describes how to determine whether f(x) = x3 + 5x + 1 is an even function? a.Determine whether –(x3 + 5x + 1) is equivalent to x3 + 5x + 1. b.Determine whether (–x)3 + 5(–x) + 1 is equivalent to x3 + 5x + 1. c. Determine whether –x3 + 5x + 1 is equivalent to –(x3 + 5x + 1). d. Determine whether (–x)3 + 5(–x) + 1 is equivalent to –(x3 + 5x + 1).

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