यदि \(f:{1,2,3,4}\to{1,2,3}\) और \(f=\{(1,1),(2,2),(3,3),(4,3)\}\) हो, तो कौन-सा कथन सही है?
If \(f:{1,2,3,4}\to{1,2,3}\) and \(f=\{(1,1),(2,2),(3,3),(4,3)\}\), which statement is correct?
Explanation opens after your attempt
A. यह फलन हैIt is a function
Concept
Every domain element (1,2,3,4) has exactly one image. The image (3) appearing twice is allowed.
Why this answer is correct
The correct answer is A. यह फलन है / It is a function. Every domain element (1,2,3,4) has exactly one image. The image (3) appearing twice is allowed.
Exam Tip
हर प्रांत तत्व (1,2,3,4) की ठीक एक छवि है। छवि (3) का दो बार आना स्वीकार्य है।
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