aarushakmgaming aarushakmgaming
  • 26-09-2021
  • Mathematics
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Find the domain of each expression: √x + √3x-1

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Аноним Аноним
  • 27-09-2021

[tex]\\ \sf\longmapsto f(x)=\sqrt{x}+\sqrt{3x-1}[/tex]

Here

[tex]\\ \sf\longmapsto 3x-1\geqslant 0[/tex]

[tex]\\ \sf\longmapsto 3x\geqslant 1[/tex]

[tex]\\ \sf\longmapsto x\geqslant \dfrac{1}{3}[/tex]

Hence

[tex]\\ \sf\longmapsto D_f=\left[\dfrac{1}{3},\infty\right)[/tex]

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