Determine the Constant of Variation for the Stated Condition $\mathrm { q } ^ { 2 }$

Multiple Choice

Determine the constant of variation for the stated condition.
-f varies jointly as $\mathrm { q } ^ { 2 }$ and $h$ , and $\mathrm { f } = - 54$ when $\mathrm { q } = 3$ and $\mathrm { h } = 3$ . Find $\mathrm { f }$ when $\mathrm { q } = 4$ and $\mathrm { h } = 5$ .

A) $f = - 160$
B) $f = - 40$
C) $f = - 32$
D) $\mathrm { f } = - 10$