Suppose the Consumer's Utility Function Is Given by U(x,y) = $x$

Multiple Choice

Suppose the consumer's utility function is given by U(x,y) = xy + y where MU_x = y MU_y = x+1 The equation for this consumer's demand curve for $x$ when I > P_x is

A) x^d = 0
B) x^d = $\frac { I } { 2 P _ { x } }$
C) x^d = $\frac { I } { 2 P _ { x } }$ - $\frac { 1 } { 2 }$
D) x^d = 1/2