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Which inequality is represented on a number line by a closed dot at 4 and shading to its right?संख्या रेखा पर किस असमानता के हल को 4 पर भरे हुए बिंदु और उसके दाईं ओर छायांकित भाग द्वारा दर्शाया जाता है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: \(x \geq 4\)\(x \geq 4\)
A closed dot means that 4 is included, while rightward shading represents numbers greater than 4. Hence \(x \geq 4\) is correct. In \(x>4\), 4 is excluded. Exam tip: use \(\geq\) or \(\leq\) for a closed dot.भरा हुआ बिंदु बताता है कि 4 हल में शामिल है, और दाईं ओर छायांकन 4 से बड़े मानों को दर्शाता है। इसलिए \(x \geq 4\) सही है। \(x>4\) में 4 शामिल नहीं होता। परीक्षा टिप: भरा बिंदु के लिए \(\geq\) या \(\leq\) लें।
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