Using the rest of my points to ask this, please answer quickly :)
2 answers:
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Let's solve for x ~
・ ．━━━━━━━†━━━━━━━━━．・
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.