Using limits, the average cost when printing an increasing large number is of $115.
How to solve a limit when x goes to infinity?
When x goes to infinity and we want to solve the limit, we consider only the term with the highest degree. If we have a fraction, as is the case in this problem, we consider the terms with the highest degree of the numerator and of the denominator.
For this problem, the cost function is:
[tex]C(x) = \frac{450 + 115x}{x}[/tex]
The terms with largest degree are the multipliers of x, with degree 1, hence the limit is given as follows:
[tex]\lim_{x \rightarrow \infty} C(x) = \lim_{x \rightarrow \infty} \frac{450 + 115x}{x} = \lim_{x \rightarrow \infty} \frac{150x}{x} = 150[/tex]
Hence the average cost when printing an increasing large number is of $115.
More can be learned about limits at https://brainly.com/question/26270080
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