Express $C = {x | x i s a n i n t e g e r a n d - 4 < x < 4}$ in the roster form:

C = {- 2, - 1, 0, 1, 2}

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C = {- 3, - 2, - 1, 0, 1, 2, 3}

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Data insufficient

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None of these

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Solution

The correct option is C $C = {- 3, - 2, - 1, 0, 1, 2, 3}$
In roster method, elements of the set are listed within the pair of brackets { } and are separated by commas. Given question is about numbers lies between $- 4$ & $4,$ which are integers. So the required numbers are $- 3, - 2, - 1, 0, 1, 2, 3$
Hence, $C = {- 3, - 2, - 1, 0, 1, 2, 3} .$

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