Find a Mathematical Model for the Verbal Statement: "M Varies $m = k \left( \frac { w } { s } \right) ^ { 2 }$

Multiple Choice

Find a mathematical model for the verbal statement: "m varies directly as the square of w and inversely as s."

A) $m = k \left( \frac { w } { s } \right) ^ { 2 }$
B) $m = \frac { k w ^ { 2 } } { s }$
C) $m = k w ^ { 2 } s$
D) $m = k w s ^ { 2 }$
E) $m = k \left( \frac { s } { w } \right) ^ { 2 }$