फलन (f(x)=\sqrt{x+2}-4) के ग्राफ का परिसर क्या है?
What is the range of the graph of (f(x)=\sqrt{x+2}-4)?
Explanation opens after your attempt
A. \([-4,\infty\))
Concept
Since \(\sqrt{x+2}\ge0\), (f(x)\ge -4). In exams, take the square-root minimum (0) and add the vertical shift.
Why this answer is correct
The correct answer is A. \([-4,\infty\)). Since \(\sqrt{x+2}\ge0\), (f(x)\ge -4). In exams, take the square-root minimum (0) and add the vertical shift.
Exam Tip
\(\sqrt{x+2}\ge0\) इसलिए (f(x)\ge -4)। परीक्षा में वर्गमूल का न्यूनतम (0) लेकर ऊर्ध्व विस्थापन जोड़ें।
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