If x is an odd integer, which of the following is an odd integer?\nOptions:\n(A) 2x\n(B) 3x-1\n(C) 5x+6\n(D) x+x^2\n(E) 6x-6 OK. Let's think. Some random thoughts first:
User
Plug in an odd integer; in this case 3\n(2*3) = 6 Even\n(3*3)-1 = 8 Even\n(5*3)+6 = 15 + 6 = 21 Odd\n3+3^2 = 3 + 9 = 12 Even\n(6*3)-6 = 18 - 6 = 12 Even The answer: (C).
Assistant