IsaccT315659 IsaccT315659

25-10-2022
Mathematics

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I solved this and think the range is: y>=3.Did I solve correctly?

I solved this and think the range is ygt3Did I solve correctly class=

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AudriannaL95301 AudriannaL95301

25-10-2022

Notice that

[tex]\begin{gathered} x^2\ge0,x\in\Re \\ \Rightarrow x^2+3\ge3,x\in\Re \\ \Rightarrow f(x)\ge3,x\in\Re \end{gathered}[/tex]

Therefore, the range of the function is f(x)>=3, or [3,infinite)

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