यदि (f(x)=\sqrt{x}) और डोमेन ([4,16]) है, तो रेंज क्या होगी?

If (f(x)=\sqrt{x}) and the domain is ([4,16]), what is the range?

Explanation opens after your attempt
Correct Answer

A. ([2,4])

Step 1

Concept

\(\sqrt{x}\) is increasing, so endpoint values are \(\sqrt{4}=2\) and \(\sqrt{16}=4\). In exams use monotonicity.

Step 2

Why this answer is correct

The correct answer is A. ([2,4]). \(\sqrt{x}\) is increasing, so endpoint values are \(\sqrt{4}=2\) and \(\sqrt{16}=4\). In exams use monotonicity.

Step 3

Exam Tip

\(\sqrt{x}\) बढ़ता हुआ फलन है, इसलिए सिरों की वैल्यू \(\sqrt{4}=2\) और \(\sqrt{16}=4\) हैं। परीक्षा में monotonicity का उपयोग करें।

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Mathematics Answer, Explanation and Revision Hints

यदि (f(x)=\sqrt{x}) और डोमेन ([4,16]) है, तो रेंज क्या होगी? / If (f(x)=\sqrt{x}) and the domain is ([4,16]), what is the range?

Correct Answer: A. ([2,4]). Explanation: \(\sqrt{x}\) बढ़ता हुआ फलन है, इसलिए सिरों की वैल्यू \(\sqrt{4}=2\) और \(\sqrt{16}=4\) हैं। परीक्षा में monotonicity का उपयोग करें। / \(\sqrt{x}\) is increasing, so endpoint values are \(\sqrt{4}=2\) and \(\sqrt{16}=4\). In exams use monotonicity.

Which concept should I revise for this Mathematics MCQ?

\(\sqrt{x}\) is increasing, so endpoint values are \(\sqrt{4}=2\) and \(\sqrt{16}=4\). In exams use monotonicity.

What exam hint can help solve this Mathematics question?

\(\sqrt{x}\) बढ़ता हुआ फलन है, इसलिए सिरों की वैल्यू \(\sqrt{4}=2\) और \(\sqrt{16}=4\) हैं। परीक्षा में monotonicity का उपयोग करें।