फलन (f(x)=\sqrt{12-3x}) का डोमेन क्या है?

What is the domain of (f(x)=\sqrt{12-3x})?

Explanation opens after your attempt
Correct Answer

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

Step 1

Concept

The square root needs \(12-3x\ge 0\), giving \(x\le 4\). In exams dividing by a negative coefficient reverses the inequality.

Step 2

Why this answer is correct

The correct answer is A. (\(-\infty,4]\). The square root needs \(12-3x\ge 0\), giving \(x\le 4\). In exams dividing by a negative coefficient reverses the inequality.

Step 3

Exam Tip

वर्गमूल के लिए \(12-3x\ge 0\) से \(x\le 4\) मिलता है। परीक्षा में ऋणात्मक गुणांक से भाग देने पर असमानता उलटती है।

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Mathematics Answer, Explanation and Revision Hints

फलन (f(x)=\sqrt{12-3x}) का डोमेन क्या है? / What is the domain of (f(x)=\sqrt{12-3x})?

Correct Answer: A. (\(-\infty,4]\). Explanation: वर्गमूल के लिए \(12-3x\ge 0\) से \(x\le 4\) मिलता है। परीक्षा में ऋणात्मक गुणांक से भाग देने पर असमानता उलटती है। / The square root needs \(12-3x\ge 0\), giving \(x\le 4\). In exams dividing by a negative coefficient reverses the inequality.

Which concept should I revise for this Mathematics MCQ?

The square root needs \(12-3x\ge 0\), giving \(x\le 4\). In exams dividing by a negative coefficient reverses the inequality.

What exam hint can help solve this Mathematics question?

वर्गमूल के लिए \(12-3x\ge 0\) से \(x\le 4\) मिलता है। परीक्षा में ऋणात्मक गुणांक से भाग देने पर असमानता उलटती है।