Let us have a cuboid with length 
, width 
and height 
. The width is equal to half the length, and the height is equal to a quarter of the length.
Write the expression 
, which represents the dependence of the volume on the length of the side ,
Calculate 
and 
,
Write the expression 
, which represents the dependence of the side on the volume 
,
Calculate 
and 
.
