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bonufazy [111]
3 years ago
7

A lamp manufacturer has daily production costs of C = 0.25n2 – 10n + 800, where C is the total cost in dollars for n lamps produ

ced.
What is a reasonable domain for this function, given the problem's context?
A) all integers
B) all real numbers
C) all positive integers
D) all positive real numbers
Mathematics
1 answer:
Oliga [24]3 years ago
8 0
I think the answer is C) all positive integers. It makes the most sense in the context of the problem. 
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In both cases there are more than one possible function sutisfying given data.

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then (see attached diagram for details) you can build infinetely many functions. From the diagram you can see two graphs: first - blue graph, second - red graph. Translating their maximum and minimum left and right you can obtain another function that satisfies the conditions above.

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