यदि \(R=\{(x,y):y=x^2,\ x\in{-2,-1,0,1}\}\) और सहप्रांत ({0,1,4}) है, तो (R) के बारे में सही कथन क्या है?
If \(R=\{(x,y):y=x^2,\ x\in{-2,-1,0,1}\}\) and the codomain is ({0,1,4}), what is the correct statement about (R)?
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Correct Answer
A. यह फलन हैIt is a function
Concept
For each (x), \(y=x^2\) gives only one image. Two different (x) values having the same image does not invalidate a function.
Why this answer is correct
The correct answer is A. यह फलन है / It is a function. For each (x), \(y=x^2\) gives only one image. Two different (x) values having the same image does not invalidate a function.
Exam Tip
प्रत्येक (x) के लिए \(y=x^2\) से केवल एक छवि मिलती है। दो अलग (x) की समान छवि होना फलन को गलत नहीं करता।
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