Problem 137 of 7
Explain whether the boundary point (5,-2) is included for x >= 5.
Hints
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connect inequality symbol to graph inclusion.
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Point must lie on at least one relevant boundary.
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Solution
Walkthrough
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1. Check whether the point lies on the boundary.
2. Use the inequality symbol to decide whether equality is included.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Testing only nearby interior points.