फलन (f(x)=5-(x+1)2) की रेंज क्या है?
What is the range of (f(x)=5-(x+1)2)?
Explanation opens after your attempt
A. ( \(-\infty,5]\)
Concept
Since ((x+1)2\ge 0), (5-(x+1)2\le 5). In exams check the maximum value of a downward parabola.
Why this answer is correct
The correct answer is A. ( \(-\infty,5]\). Since ((x+1)2\ge 0), (5-(x+1)2\le 5). In exams check the maximum value of a downward parabola.
Exam Tip
क्योंकि ((x+1)2\ge 0), इसलिए (5-(x+1)2\le 5)। परीक्षा में नीचे खुलने वाले परवलय की अधिकतम वैल्यू देखें।
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