If n is an even negative integer, which of the following must then be an odd positive integer? Choices
A) 2n B) -2n + 1 C) -(n^2) D) 2n - 1 E) n^3
Answer: -2n + 1   A: 2n = even negative   -2n + 1: -2n + 1 = odd positive   C: -(n^2) = even negative   D: 2n - 1 = odd negative   E: n^3 = odd negative   Answer: -2n + 1
<result>B</result>
If n is an even negative integer, which of the following must then be an odd positive integer?