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If (f:\mathbb{R}\to\mathbb{R}) and (f(x)=x^2+7), which statement is correct?यदि (f:\mathbb{R}\to\mathbb{R}) और (f(x)=x^2+7) है, तो कौन सा कथन सही है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: Range is ([7,\infty)) and codomain is (\mathbb{R})रेंज ([7,\infty)) है और codomain (\mathbb{R}) है
In the given notation, the second set is the codomain (\mathbb{R}), while actual outputs are ([7,\infty)). In exams keep range and codomain separate.दिए गए notation में दूसरा समुच्चय codomain (\mathbb{R}) है, जबकि वास्तविक outputs ([7,\infty)) हैं। परीक्षा में range और codomain अलग रखें।
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