यदि \(f:{1,2,3}\to{2,4,6}\) और (f(x)=2x) है, तो निम्न में कौन-सा कथन सही है?
If \(f:{1,2,3}\to{2,4,6}\) and (f(x)=2x), which statement is correct?
Explanation opens after your attempt
Correct Answer
A. (f) फलन है और परिसर ({2,4,6}) है(f) is a function and the range is ({2,4,6})
Concept
Every domain element has exactly one image and the images are (2,4,6). In exams, check both function validity and range using the rule.
Why this answer is correct
The correct answer is A. (f) फलन है और परिसर ({2,4,6}) है / (f) is a function and the range is ({2,4,6}). Every domain element has exactly one image and the images are (2,4,6). In exams, check both function validity and range using the rule.
Exam Tip
हर प्रांत तत्व की ठीक एक छवि है और छवियां (2,4,6) हैं। परीक्षा में फलन और परिसर दोनों को नियम से जांचें।
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