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[" Consider the finctions "],[f:X rarr Y...

[" Consider the finctions "],[f:X rarr Y" and "g:Y rarr Z],[" then which of the following is fare incorrect? "],[" (A) If "f" and "g" both are injective then gof: "X rarr Z" is injective "],[" (B) If "f" and "g" both are suriective then gof: "X rarr Z" is surjective "],[" (C) If gof: "X rarr Z" is bijctive then "f" is injective and "g" is surjective."],[" (D) none "]

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