फलन (f(x)=|x+4|-5) की रेंज क्या है?
What is the range of (f(x)=|x+4|-5)?
Explanation opens after your attempt
A. \([-5,\infty\))
Concept
\(|x+4|\ge0\), so \(|x+4|-5\ge-5\). In exams the minimum of modulus occurs at its zero point.
Why this answer is correct
The correct answer is A. \([-5,\infty\)). \(|x+4|\ge0\), so \(|x+4|-5\ge-5\). In exams the minimum of modulus occurs at its zero point.
Exam Tip
\(|x+4|\ge0\), इसलिए \(|x+4|-5\ge-5\)। परीक्षा में मापांक का minimum उसके zero point पर मिलता है।
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