Solve the problem.
-Suppose the cost per ton, $y$, to build an oil platform of $x$ thousand tons is approximated by $f ( x ) = \frac { 312,500 } { x + 625 }$. What is the cost per ton for $x = 400$ ?
A) $\$ 304.88$
B) $\$ 121,951.22$
C) $\$ 156.25$
D) $\$ 200,000.00$

Question

Quizplus · Accepted Answer

To find the cost per ton for $x = 400$, substitute $x = 400$ into the given function: $f(400) = \frac{312,500}{400 + 625} = \frac{312,500}{1025} = \$304.88$.

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