Volumes and Double Integrals
If 
, then the volume V of the solid that lies above the rectangle R and
below the surface 
Volume Under a Surface
If 
is continuous and nonnegative on the region 
Volume :
If 
and the limit exists
EXAMPLE 1: Determine the volume of 
in the region 
EXAMPLE 2: Determine the volume of 
in the region 
EXAMPLE 3: Determine the volume of 
in the region 
