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Is y a function of x if so give the domain and range of f if not State why

Is y a function of x if so give the domain and range of f if not State why-example-1

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From the given table,

Each x value s assigned to exactly one output y value.

Hence, it is a function of x.

We know that the domain of the function is a set of all input values.

The domain of the function is, {-1, 0, 1, 2, 3}.

We know that the range of the function is a set of all output values.

The range of the function is, {-5, -4, 2, 5, 9}

Therefore, the answer is,

Yes, D={-1, 0, 1, 2, 3}, and R={-5, -4, 2, 5, 9}

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