The Volume of the Surface Bounded by the Graph Of z

Multiple Choice

The volume of the surface bounded by the graph of $z = 4 x + 2 y$ with $0 \leq x \leq 1,0 \leq y \leq 1$ is

A) 3
B) $\frac { 5 } { 2 }$
C) 2
D) $\frac { 4 } { 3 }$
E) 1