Find an Equation for the Rational Function Graph $f ( x )$

Multiple Choice

Find an equation for the rational function graph.
-In the following formula, $f ( x )$ is the minimum number of hours of studying required to attain a test score of $x : f ( x ) = \frac { 0.44 x } { 100.5 - x }$ . How many hours of study are needed to score 94 ?

A) $100.03 \mathrm { hr }$
B) $14.53 \mathrm { hr }$
C) $6.36 \mathrm { hr }$
D) $63.60 \mathrm { hr }$