Posted by Shawna on Wednesday, March 19, 2014 at 11:54am.
What is the righthand limit of this function at x=2?
g(x)=x^2−3/x−3
A) 1
B) 0
C) 1
D) 2
E) 3

Math  PreCalc (12th Grade)  Steve, Wednesday, March 19, 2014 at 11:56am
well, plug in x=2 and see what you get.

Math  PreCalc (12th Grade)  Shawna, Wednesday, March 19, 2014 at 11:58am
1 ?

Math  PreCalc (12th Grade)  Steve, Wednesday, March 19, 2014 at 12:01pm
Looks good to me.
When finding a limit, first try just plugging in the given value. As long as you don't wind up with 0/0 or something else undefined, the resulting value is the limit, as long as the function is not defined differently on the two sides.
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