Find an Equation for the Rational Function Graph $y$ , to Build an Oil Platform Of

Multiple Choice

Find an equation for the rational function graph.
-Suppose the cost per ton, $y$ , to build an oil platform of $x$ thousand tons is approximated by $f ( x ) = \frac { 262,500 } { x + 525 }$ . What is the cost per ton for $x = 300 ?$

A) $\$ 150,000.00$
B) $\$ 318.18$
C) $\$ 95,454.55$
D) $\$ 350.00$