NCERT Exercise 1.2 Q7 - Relations and Functions

Question: State whether each is one-one, onto or bijective: (i) f : R → R, f(x) = 3 − 4x; (ii) f : R → R, f(x) = 1 + x².

Answer: (i) One-one and onto (bijective). (ii) Neither one-one nor onto.

Full step-by-step NCERT solution with diagrams on Something by Zero.

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