SOLUTION: Give, in interval notation, the unknown numbers in the following description.
When 2 is added to twice a number, the result is greater than or equal to 14.
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When 2 is added to twice a number, the result is greater than or equal to 14.
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Question 1151338: Give, in interval notation, the unknown numbers in the following description.
When 2 is added to twice a number, the result is greater than or equal to 14. Answer by rothauserc(4718) (Show Source):
You can put this solution on YOUR website! let x be the number, then
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2x +2 > or = 14
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subtract 2 from both sides of > or =
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2x > or = 12
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x > or = 6
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therefore x belongs to the interval [6, +infinity)
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Note the interval is closed on the left
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