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Mathematics 9 Online
OpenStudy (anonymous):

the range of the function of...

OpenStudy (anonymous):

\[f(x)=3\sqrt{x+3}-1\]

OpenStudy (anonymous):

\[f(x)=3\sqrt{x+3}-1\]

OpenStudy (anonymous):

is all real numbers. true or false?

OpenStudy (anonymous):

\[\sqrt{x+3}\geq0\] always therefore so is \(3\sqrt{x+3}\) and so \[3\sqrt{x+3}-1\geq -1\]

OpenStudy (anonymous):

so no, it is not all real numbers, it is all numbers greater than or equal to minus one

OpenStudy (anonymous):

thank you!

OpenStudy (anonymous):

yw

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