2
(B) y = x – 2
y = 45x +
2
(C)
(D) y = 45x – 2
y = 2x +
45
(E)
10 . If x and y are both positive, x is even, and y is odd, which of the
following must be odd?
(A) xy
(B) x + 2y
(C) xy
(D) yx
(E)