Please answer this. thank you

Curved parenthesis at negative infinity

Square bracket at -4

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Work Shown:

The last inequality shown above is the same as saying

Converting this to interval notation leads to the final answer of

Note the use of a square bracket at -4 to include this endpoint. We can never include either infinity, so we always use a parenthesis for either infinity.

the answer to the question is a  

it has the same slope and the same y-intercept.