यदि \(f:{1,2,3}\to{1,2,3,4,5}\) और (f(x)=2x-1), तो कौन सा कथन सही है?
If \(f:{1,2,3}\to{1,2,3,4,5}\) and (f(x)=2x-1), which statement is correct?
Explanation opens after your attempt
A. यह फलन है और परिसर ({1,3,5}) हैIt is a function and range is ({1,3,5})
Concept
The values obtained are (1,3,5), and all lie in the codomain. Not every element of the codomain needs to occur.
Why this answer is correct
The correct answer is A. यह फलन है और परिसर ({1,3,5}) है / It is a function and range is ({1,3,5}). The values obtained are (1,3,5), and all lie in the codomain. Not every element of the codomain needs to occur.
Exam Tip
मान (1,3,5) मिलते हैं और सभी सहप्रांत में हैं। सहप्रांत के सभी अवयवों का आना आवश्यक नहीं होता।
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