kjhad3104 kjhad3104
  • 13-10-2017
  • Mathematics
contestada

Is it true that a continuous function that is never zero on an interval never changes sign on that​ interval? give reasons for your answer?

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W0lf93
W0lf93 W0lf93
  • 23-10-2017
Yes it is true that a continuous function that is never zero on an interval never changes sign on that interval. This is because of ever important Intermediate Value Theorem.
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