यदि (f(x)=\frac{3}{x+1}-4) है, तो (f(x)) की रेंज क्या है?
If (f(x)=\frac{3}{x+1}-4), what is the range of (f(x))?
Explanation opens after your attempt
Correct Answer
A. \(\mathbb{R}\setminus{-4}\)
Concept
\(\frac{3}{x+1}\) is never (0), so the output (-4) is not obtained. In exams a vertical shift changes the excluded range value.
Why this answer is correct
The correct answer is A. \(\mathbb{R}\setminus{-4}\). \(\frac{3}{x+1}\) is never (0), so the output (-4) is not obtained. In exams a vertical shift changes the excluded range value.
Exam Tip
\(\frac{3}{x+1}\) कभी (0) नहीं होता, इसलिए (-4) आउटपुट नहीं मिलेगा। परीक्षा में vertical shift से excluded range value बदलती है।
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