kyl2Ollhoop kyl2Ollhoop

21-11-2016
Mathematics

Answered

What is the domain and range for the function below?

1/square root x+4

Verified Answer :

alsteva alsteva

24-11-2016

\(f(x)= \frac{1}{ \sqrt{x+4} }\)

Domain:
\(\sqrt{x+4} e 0 \\ x+4 e 0 \\x e -4\)

Range: \(\sqrt{x+4}\ \textgreater \ 0 \Rightarrow \frac{1}{\sqrt{x+4}} \ \textgreater \ 0 \Rightarrow y\ \textgreater \ 0\)

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