फलन (y=4-(x-1)2) की रेंज क्या है?

What is the range of (y=4-(x-1)2)?

Explanation opens after your attempt
Correct Answer

A. (\(-\infty,4]\)

Step 1

Concept

Since (-(x-1)2\le 0), we get \(y\le 4\). A downward parabola gives its maximum at the vertex.

Step 2

Why this answer is correct

The correct answer is A. (\(-\infty,4]\). Since (-(x-1)2\le 0), we get \(y\le 4\). A downward parabola gives its maximum at the vertex.

Step 3

Exam Tip

(-(x-1)2\le 0) होता है इसलिए \(y\le 4\) है। नीचे खुलने वाले परवलय में शीर्ष अधिकतम देता है।

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Mathematics Answer, Explanation and Revision Hints

फलन (y=4-(x-1)2) की रेंज क्या है? / What is the range of (y=4-(x-1)2)?

Correct Answer: A. (\(-\infty,4]\). Explanation: (-(x-1)2\le 0) होता है इसलिए \(y\le 4\) है। नीचे खुलने वाले परवलय में शीर्ष अधिकतम देता है। / Since (-(x-1)2\le 0), we get \(y\le 4\). A downward parabola gives its maximum at the vertex.

Which concept should I revise for this Mathematics MCQ?

Since (-(x-1)2\le 0), we get \(y\le 4\). A downward parabola gives its maximum at the vertex.

What exam hint can help solve this Mathematics question?

(-(x-1)2\le 0) होता है इसलिए \(y\le 4\) है। नीचे खुलने वाले परवलय में शीर्ष अधिकतम देता है।