फलन (y=|x|+|x-4|) का ग्राफ किस अंतराल पर क्षैतिज रहता है?
On which interval is the graph of (y=|x|+|x-4|) horizontal?
Explanation opens after your attempt
A. \(0\le x\le 4\)
Concept
For \(0\le x\le 4\), the sum is (x+(4-x)=4), which is constant. Hence the graph is horizontal.
Why this answer is correct
The correct answer is A. \(0\le x\le 4\). For \(0\le x\le 4\), the sum is (x+(4-x)=4), which is constant. Hence the graph is horizontal.
Exam Tip
\(0\le x\le 4\) पर योग (x+(4-x)=4) स्थिर है। इसलिए ग्राफ क्षैतिज रहता है।
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