# To write a function f describing the average cost of sealable books. Given information: The printing and binding cost for a college algebra book is $10. The editorial cost is$200,000. The first 2500 books are free.

To write a function f describing the average cost of sealable books.
Given information:
The printing and binding cost for a college algebra book is $10. The editorial cost is$200,000. The first 2500 books are free.
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Calculation:
Let the number of books be x. Since the printing and blinding cost for a college algebra cost is $10. The printing and blinding cost for 10 algebra books is 10x. The editorial cost is$200,000. The first 2500 books are free.
Thus, the average cost of sealable books is

$f\left(x\right)=\frac{10x+200,00}{x-2500}$
Hence, the required function is $f\left(x\right)=\frac{10x+200,00}{x-2500}$.