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OpenStudy (anonymous):
What is the domain of the function
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OpenStudy (anonymous):
\[y=3\sqrt{6x+42}\]
OpenStudy (aravindg):
the term under square root should be greater than or equal to zero
OpenStudy (e.mccormick):
When dealing with roots, the part under the radical must not be negative. So you start by solving that for 0 and the domain is directly related to that.
OpenStudy (aravindg):
solve that inequality to get the domain
OpenStudy (anonymous):
how?
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OpenStudy (aravindg):
\[6x+42 \ge 0\] solve for x
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