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velikii [3]
3 years ago
9

What is the domain of the function graphed below?

Mathematics
1 answer:
DaniilM [7]3 years ago
8 0

Answer:

(-2,4] and [7,α)

Step-by-step explanation:

the domain is open at -2 but closed at 4 and also closed at 7 but open till infinity..

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Proof in explanation.

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I'm going to attempt this by squeeze theorem.

We know that \cos(\frac{2}{x}) is a variable number between -1 and 1 (inclusive).

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