यदि \(f:\mathbb{R}\to\mathbb{R}\) और (f(x)=x-2+11) है, तो कौन सा कथन सही है?
If \(f:\mathbb{R}\to\mathbb{R}\) and (f(x)=x-2+11), which statement is correct?
Explanation opens after your attempt
A. रेंज \([11,\infty\)) है और codomain \(\mathbb{R}\) हैRange is \([11,\infty\)) and codomain is \(\mathbb{R}\)
Concept
In the notation, the second set is the codomain \(\mathbb{R}\), while actual outputs are \([11,\infty\)). In exams keep range and codomain separate.
Why this answer is correct
The correct answer is A. रेंज \([11,\infty\)) है और codomain \(\mathbb{R}\) है / Range is \([11,\infty\)) and codomain is \(\mathbb{R}\). In the notation, the second set is the codomain \(\mathbb{R}\), while actual outputs are \([11,\infty\)). In exams keep range and codomain separate.
Exam Tip
notation में दूसरा समुच्चय codomain \(\mathbb{R}\) है, जबकि वास्तविक outputs \([11,\infty\)) हैं। परीक्षा में range और codomain को अलग रखें।
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