Define g : R →R x sin (1/x), g(x) = 10, x # 0 x = 0. Explain why g is continuous at 0; in particular, explain the key estimation that's required in proving this fact.

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Define g : R –→ R
x sin (1/x),
g(x) :
10,
x + 0
x = 0.
Explain why g is continuous at 0; in particular, explain the key estimation that's required in proving
this fact.
Transcribed Image Text:Define g : R –→ R x sin (1/x), g(x) : 10, x + 0 x = 0. Explain why g is continuous at 0; in particular, explain the key estimation that's required in proving this fact.
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