यदि (f(x)=\sqrt{x+4}) और डोमेन ([-4,12]) है, तो रेंज क्या होगी?
If (f(x)=\sqrt{x+4}) and the domain is ([-4,12]), what is the range?
Explanation opens after your attempt
A. ([0,4])
Concept
\(\sqrt{x+4}\) is an increasing function and gives (0) and (4) at the endpoints. In exams include endpoint values for a closed domain.
Why this answer is correct
The correct answer is A. ([0,4]). \(\sqrt{x+4}\) is an increasing function and gives (0) and (4) at the endpoints. In exams include endpoint values for a closed domain.
Exam Tip
\(\sqrt{x+4}\) बढ़ता हुआ फलन है और endpoints पर (0) तथा (4) देता है। परीक्षा में closed domain हो तो endpoint values शामिल करें।
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