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Mathematics 15 Online
OpenStudy (anonymous):

http://prntscr.com/6b8ii9 @queelius

OpenStudy (anonymous):

I believe this one is A, can you verify I am right?

OpenStudy (anonymous):

Wait its B. scratch that.

OpenStudy (queelius):

No, your initial instincts were correct.

OpenStudy (anonymous):

Okay awesome, I doubted myself there. XD

OpenStudy (queelius):

We see that plugging in x = -3.99 gets you y = 1, but plugging in x = -4 is undefined since at that point, we have an unfilled circle.

OpenStudy (anonymous):

Thank you!

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