May currently has a balance of $1,817.43 on her credit card. If she must make a minimum monthly payment of 3.44% of her total ba
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.