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Let a function ƒ : N → N be defined by ⎢ ⎢ ⎢ ⎢ ⎣ ⎡ = + = − = = .... 13 , 9 , 5 , 1 n 2 1 n .... 15 , 11 , 7 , 3 n , 1 n .... 8 , 6 , 4 , 2 n , n 2 ) n ( f then, ƒ is

1. One-one but not onto
2. Onto but not one-one
3. Neither one-one nor onto
4. One-one and onto CAREER POINT CAREER POINT Ltd., CP Tower, IPIA, Road No.1, Kota (Raj.), Ph: 080-47250011 www.careerpoint.ac.in 19 JEE Main Online Paper

Correct answer: One-one and onto CAREER POINT CAREER POINT Ltd., CP Tower, IPIA, Road No.1, Kota (Raj.), Ph: 080-47250011 www.careerpoint.ac.in 19 JEE Main Online Paper

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