Math Problem Statement

From the graph, determine the \( \lim_{{x \to -2^+}} f(x) \).

Solution

To determine the limit limx2+f(x)\lim_{{x \to -2^+}} f(x) from the graph:

  1. We observe the behavior of the function f(x)f(x) as xx approaches -2 from the right-hand side (denoted by x2+x \to -2^+).
  2. Based on the graph, as x2+x \to -2^+, the function values approach 2. The graph approaches the open circle at y=2y = 2 from the right side.
  3. Therefore, the right-hand limit as x2+x \to -2^+ is 2.

Thus, limx2+f(x)=2\lim_{{x \to -2^+}} f(x) = 2, which confirms that the answer you selected (option 2) is correct.

Would you like more details or have further questions?

Here are 5 related questions to deepen understanding:

  1. What is the definition of a one-sided limit?
  2. How do left-hand and right-hand limits differ?
  3. How would you find limx2f(x)\lim_{{x \to -2^-}} f(x) for this graph?
  4. What does it mean if limxaf(x)limxa+f(x)\lim_{{x \to a^-}} f(x) \neq \lim_{{x \to a^+}} f(x)?
  5. How is continuity at x=2x = -2 related to the limits from both sides?

Tip: Always check whether a limit exists by considering both the left-hand and right-hand limits at the point of interest.

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Math Problem Analysis

Mathematical Concepts

Limits
Graphical Interpretation of Limits
One-sided Limits

Formulas

-

Theorems

One-sided Limit Theorem

Suitable Grade Level

Grades 10-12