For which x-values is the graph below discontinuous?

Correct option is:

{...,-3,-1,1,3,...}

Step-by-step explanation:

The graph is continuous if the left hand limit of the function is equal to the right hand limit and equal to function value at that point.

Here, we can clearly see the function does not satisfy the above definition at the points:

{...,-3,-1,1,3,5,...}

i.e. function is discontinuous at:

{...,-3,-1,1,3,...}

Hence, The correct option is:

{...,-3,-1,1,3,...}

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step-by-step explanation: