The range of the given function is {3, 6, 7}.
What is domain of the function?
The domain of a function is the set of values that we are allowed to plug into our function.
What is range of a function?
Set of all possible values that the function will give when we give in the domain as input is called range.
According to the given question.
We have domain and range graph.
From the above graph it is clear that domain of the function f(x) is
{1, 2, 3, 4, 5}
And the image of the set {1, 2, 3, 4, 5} are the range of the given function f(x).
Therefore, the range of the given function is {3, 6, 7}.
Thus, option D is correct.
Find out domain and range of the function here:
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