A Rectangle Is Bounded by the X- and Y-Axes and the Graph

Multiple Choice

A rectangle is bounded by the x- and y-axes and the graph of $y = \frac { ( 5 - x ) } { 2 }$ figure) . What length and width should the rectangle have so that its area is a maximum?

A) $x = 2.5 ; y = 3$
B) $x = 3 , y = 5$
C) $x = 2.5 ; y = 1.25$
D) $x = 5 ; y = 3$
E) $x = 1.25 ; y = 2.5$