Tonyyyy
Tonyyyy
18-10-2018
Mathematics
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Which of the following is the graph of x2>_9
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gmany
gmany
18-10-2018
[tex]x^2\geq9\to x\geq\sqrt9\ \vee\ x\leq-\sqrt9\\\\x\geq3\ \vee\ x\leq-3[/tex]
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