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What is the range of (f(x)=5-x)?फलन (f(x)=5-x) की रेंज क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (\mathbb{R})(\mathbb{R})
(5-x) is a linear function with non-zero slope, so it can give all real values. In exams a negative slope still gives range (\mathbb{R}).(5-x) एक अशून्य ढाल वाला रेखीय फलन है इसलिए सभी वास्तविक वैल्यू दे सकता है। परीक्षा में ऋणात्मक ढाल से भी रेंज (\mathbb{R}) रहती है।
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