Lydia was out at a restaurant for dinner when the bill came. Her dinner came to $30. After adding in a tip, before tax, she paid
2 answers:
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Answer:
Curved parenthesis at negative infinity
Square bracket at -4
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Work Shown:
The last inequality shown above is the same as saying
Converting this to interval notation leads to the final answer of
Note the use of a square bracket at -4 to include this endpoint. We can never include either infinity, so we always use a parenthesis for either infinity.
Easy buddy...
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Step (1)
I choose a number which is x
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Step (2)
Multiplies by 90 :
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Step (3)
Adds up to -23 :
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And we're done.
Thanks for watching buddy good luck.
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