कौन-सा mapping diagram फलन को दर्शाता है?
Which mapping diagram represents a function?
Explanation opens after your attempt
Correct Answer
A. हर \(a\in A\) से (B) के ठीक एक element तक arrow हैEvery \(a\in A\) has exactly one arrow to an element of (B)
Concept
In a function, exactly one arrow must start from each domain element. In diagrams, check both arrow direction and arrow count.
Why this answer is correct
The correct answer is A. हर \(a\in A\) से (B) के ठीक एक element तक arrow है / Every \(a\in A\) has exactly one arrow to an element of (B). In a function, exactly one arrow must start from each domain element. In diagrams, check both arrow direction and arrow count.
Exam Tip
फलन में domain के प्रत्येक element से ठीक एक arrow निकलना चाहिए। diagram में arrows की direction और count दोनों देखें।
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