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Question
Math
Posted 8 months ago

Consider the graph of function gg. The dashed lines represent asymptotes.

Which limit expressions agree with the graph?
Choose all answers that apply:
A limx3g(x)=\lim _{x \rightarrow 3} g(x)=\infty
В limx3g(x)=\lim _{x \rightarrow 3^{-}} g(x)=\infty
() limx3+g(x)=\lim _{x \rightarrow 3^{+}} g(x)=\infty
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Answer from Sia
Posted 8 months ago
Solution by Steps
step 2
From the graph, as xx approaches 3 from the left (x3x \to 3^-), g(x)g(x) approaches positive infinity. Therefore, limx3g(x)=\lim_{x \to 3^-} g(x) = \infty
step 3
As xx approaches 3 from the right (x3+x \to 3^+), g(x)g(x) approaches negative infinity. Therefore, limx3+g(x)=\lim_{x \to 3^+} g(x) = -\infty
step 4
Since the limits from the left and right are not equal, the two-sided limit limx3g(x)\lim_{x \to 3} g(x) does not exist
B
Key Concept
One-sided limits
Explanation
The behavior of the function g(x)g(x) as xx approaches 3 from the left and right are different, leading to different one-sided limits.

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