फलन (f(x)=|x|) किस अंतराल पर घटता है?
On which interval is (f(x)=|x|) decreasing?
Explanation opens after your attempt
Correct Answer
A. ( \(-\infty,0] \)
Concept
The graph of (|x|) decreases up to (x=0) and then increases. In exams, see the left arm of the (V)-graph as decreasing.
Why this answer is correct
The correct answer is A. ( \(-\infty,0] \). The graph of (|x|) decreases up to (x=0) and then increases. In exams, see the left arm of the (V)-graph as decreasing.
Exam Tip
(|x|) का ग्राफ (x=0) तक नीचे आता है और फिर ऊपर जाता है। परीक्षा में (V)-ग्राफ का बायां भाग घटता हुआ देखें।
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