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Mathematics
f: X arrow Y is onto, if and only if
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Q. $f : X \rightarrow Y$ is onto, if and only if
Relations and Functions - Part 2
A
range of $f = Y$
60%
B
range of $f \neq Y$
10%
C
range of $f < Y$
13%
D
range of $f \geq Y$
18%
Solution:
$f : X \rightarrow Y$ is onto, if and only if range of $f = Y$