Math Problem Statement

lim x→2+ g(x) = 2 • lim x→2− g(x) = 3 • g(2) is not defined

Solution

The given information specifies:

  • limx2+g(x)=2\lim_{x \to 2^+} g(x) = 2, meaning the right-hand limit of g(x)g(x) as xx approaches 2 is 2.
  • limx2g(x)=3\lim_{x \to 2^-} g(x) = 3, meaning the left-hand limit of g(x)g(x) as xx approaches 2 is 3.
  • g(2)g(2) is not defined.

Conclusion:

Since the left-hand limit (33) and the right-hand limit (22) as xx approaches 2 are not equal, the overall limit of g(x)g(x) as x2x \to 2 does not exist. For a function to have a limit at a point, the left-hand and right-hand limits must be equal.

Additionally, g(2)g(2) is not defined, so there is no value of the function at x=2x = 2.

Would you like further details on why the limit does not exist in this case?


Here are some related questions:

  1. What are one-sided limits, and how are they different from two-sided limits?
  2. Can a function still be continuous if the left-hand and right-hand limits differ?
  3. How can we graphically interpret the information about g(x)g(x) near x=2x = 2?
  4. What does it mean for a function to be undefined at a point, and how does it affect limits?
  5. How do we determine the overall limit of a function at a point?

Tip: When checking for limits, always consider both one-sided limits to ensure they match for the overall limit to exist!

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Math Problem Analysis

Mathematical Concepts

Limits
One-Sided Limits
Continuity

Formulas

\lim_{x \to a^+} f(x)
\lim_{x \to a^-} f(x)
For limit to exist: \lim_{x \to a^+} f(x) = \lim_{x \to a^-} f(x)

Theorems

Limit Existence Theorem

Suitable Grade Level

Grades 10-12