6. (10 points) Wendy's utility is given by u(x1, x2) = Jx_1 + \\fx_2 + 4. Is Wendy's marginal utility with respect to good 2 (M U2 (x1, 362)) increasing, decreasing, or constant (in other words, does M U2 (x1, x2) increase, decrease, or stay the same as Wendy's consumption of good 2 increases)? a. Increasing b. Decreasing c. Constant (1. Sometimes increasing, sometimes decreasing, sometimes constant, depending upon his level of consumption