Question

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Answer 1

mhm? and?

Answer 2

The limit as x approaches a certain value is usually the y value at that x.

If you have, for example, a straight line going through y = 7 and it wants the limit as x approaches 3. You would go to the right of the graph and the left of the graph, then follow the line until you meet at x=3. Since you stayed on the graph y=7, the limit would be 7. It would also depend on opened and closed dots

If you have a graph, I could show you visually