Problem 106 of 7
Should the boundary for y > -x + 4 be solid or dashed? Explain.
Hints
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interpret strict versus inclusive inequality.
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Inequality symbol must determine boundary style.
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Solution
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1. Check whether the inequality is inclusive or strict.
2. Use a solid boundary for <= or >= and dashed for < or >.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Boundary choice based on shading direction alone.