A function f represented by the arrow diagram is shown below :
For the above diagram, which of the following is INCORRECT ?
A
Domain of f is {2,3,4,5}
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B
Range of f is {4,9,16,25}
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C
Co-domain of f is {1,4,9,16,25,36}
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D
The function f is defined as f:{2,3,4,5}→R such that f(x)=x2
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Solution
The correct option is D The function f is defined as f:{2,3,4,5}→R such that f(x)=x2 D(f)={2,3,4,5} R(f)={4,9,16,25} C(f)={1,4,9,16,25,36}
The function f is defined as f:{2,3,4,5}→{1,4,9,16,25,36} such that f(x)=x2