Hello! Pls Solve This Two Problems For Me With Step By Step explanations I know the answer but I don't know how to do it. Pls Do It ASAP!
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According to the convention ,
•The Darkened Circle denotes that the number has to be included in the range and this also means that there will be 'Square Brackets' i.e. [....] at the number .
•The Hollow Circle denotes that the number doesn't have to be included in the range . Also there will be 'Round Brackets' i.e. (...) at the number .
• Also there are always round brackets at the infinities as it is not considered as a number .
1) x € ( - ∞ , 0 ] U ( 2 , + ∞ )
2) x € ( -∞ , 3 ]
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