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Which inequality is represented by the interval (−∞, 3]?अंतराल (−∞, 3] किस असमानता को दर्शाता है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: x ≤ 3x ≤ 3
The square bracket at 3 means that 3 is included. The interval contains 3 and every real number less than 3, so it represents x ≤ 3.3 के पास वर्ग कोष्ठक बताता है कि 3 अंतराल में शामिल है। इस अंतराल में 3 और उससे छोटी सभी वास्तविक संख्याएँ हैं, इसलिए यह x ≤ 3 को दर्शाता है।
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