यदि (f(x)=\sqrt{x-2}) और डोमेन ([2,18)) है, तो रेंज क्या होगी?
If (f(x)=\sqrt{x-2}) and the domain is ([2,18)), what is the range?
Explanation opens after your attempt
Correct Answer
A. ([0,4))
Concept
Since (x=2) is included, output (0) is included, but (x=18) is open, so (4) is not included. In exams track endpoint openness in the range.
Why this answer is correct
The correct answer is A. ([0,4)). Since (x=2) is included, output (0) is included, but (x=18) is open, so (4) is not included. In exams track endpoint openness in the range.
Exam Tip
(x=2) शामिल है इसलिए output (0) शामिल है, लेकिन (x=18) खुला है इसलिए (4) शामिल नहीं है। परीक्षा में endpoint की openness रेंज में भी देखें।
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