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  4. A function f is constant from set A= 1,2,3 onto set B= a , b , c such that f(1)=a, then the range of f is:

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Q. A function $f$ is constant from set $A=\{1,2,3\}$ onto set $B=\{ a , b , c \}$ such that $f(1)=a$, then the range of $f$ is:

Sets, Relations, and Functions

Solution:

Constant function contains only one element in the range.