If $f$ Varies Jointly As $q ^ { 2 }$ And $h$ , And

Multiple Choice

If $f$ varies jointly as $q ^ { 2 }$ and $h$ , and $f = 36$ when $q = 2$ and $h = 3$ , find $f$ when $q = 4$ and $h = 6$ .

A) $f = 48$
B) $f = 72$
C) $f = 288$
D) $\mathrm { f } = 18$