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OpenStudy (anonymous):
f (x) = the square root of 7x + 42. I need to find the domain of the function. Could you help me please?
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OpenStudy (anonymous):
\[f(x)=\sqrt{7x+42}\] requires that \(7x+42\geq 0\) can you solve that for \(x\)?
OpenStudy (anonymous):
subtract 42 to get \(7x\geq -42\) divide by 7 to get \(x\geq 6\)
OpenStudy (anonymous):
would it be x is greater than -6?
OpenStudy (anonymous):
thank you for helping me solve this equation
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