फलन \(y=\sqrt{4-x}\) के ग्राफ का डोमेन क्या है?
What is the domain of the graph \(y=\sqrt{4-x}\)?
Explanation opens after your attempt
A. ( \(-\infty,4] \)
Concept
For the square root \(4-x\ge 0\) is required. Therefore \(x\le 4\).
Why this answer is correct
The correct answer is A. ( \(-\infty,4] \). For the square root \(4-x\ge 0\) is required. Therefore \(x\le 4\).
Exam Tip
वर्गमूल के लिए \(4-x\ge 0\) चाहिए। इसलिए \(x\le 4\) है।
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