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Express the inequality r < 20 using interval notation
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Express the inequality r < 20 using interval notation

User Resolveaswontfix
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1 Answer

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Answer: (-∞, 20)

Step-by-step explanation

The inequality r < 20 is the same as -∞ < r < 20

That condenses to the interval notation (-∞, 20)

The curved parenthesis are used to exclude the endpoint.

User Tom Charles Zhang
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7.1k points
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