bhlbbjl bhlbbjl
  • 22-02-2018
  • Mathematics
contestada

For what interval is the function f(x) = (20 + \sqrt{x}) / (\sqrt{20 + x}) continuous?

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evgeniylevi
evgeniylevi evgeniylevi
  • 22-02-2018
Try this solution:
1. according to the condition
[tex] \left \{ {{x \geq 0} \atop {20+x\ \textgreater \ 0}} \right. \ =\ \textgreater \ \ x \geq 0.[/tex]
2. for more details see the attached graph.

Answer: [0;+oo)
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