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Which number-line representation is correct for the inequality ( -7\le x\le -1 )?असमानता ( -7\le x\le -1 ) की संख्या रेखा पर सही प्रस्तुति कौन सी है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: Closed dots at ( -7 ) and ( -1 ), shaded between( -7 ) और ( -1 ) पर बंद बिंदु, बीच में छाया
Both sides have ( \le ), so both endpoints are closed. In compound inequalities, check both signs separately.दोनों ओर ( \le ) है इसलिए दोनों सिरों पर बंद बिंदु होंगे। संयुक्त असमानता में दोनों चिह्न अलग-अलग जांचें।
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