Math Problem Statement

limx→5^- limx→5^+ limx→3 limx→infty limx→- infty

limx→5^- limx→5^+ limx→3 limx→infty limx→-infty

Solution

The graph you provided appears to represent a function with significant changes near specific points, particularly at x=5x = 5 and potentially at x=3x = 3. Let's analyze the following limits based on the graph.

  1. Limit as x5x \to 5^- (left-hand limit at x=5x = 5): The graph approaches positive infinity as xx gets close to 5 from the left side. Hence, the limit is limx5f(x)=+\lim_{x \to 5^-} f(x) = +\infty.

  2. Limit as x5+x \to 5^+ (right-hand limit at x=5x = 5): Similarly, the graph approaches negative infinity as xx approaches 5 from the right side. Hence, the limit is limx5+f(x)=\lim_{x \to 5^+} f(x) = -\infty.

  3. Limit as x3x \to 3: The function seems to have some behavior near x=3x = 3, but the graph doesn't indicate a specific value, potentially suggesting a discontinuity or undefined limit at x=3x = 3. The limit may be either undefined or could approach infinity.

  4. Limit as xx \to \infty: As xx increases, the graph seems to approach a horizontal line, which implies the function has a horizontal asymptote. From the graph, it appears the limit as xx \to \infty is y=0y = 0, or limxf(x)=0\lim_{x \to \infty} f(x) = 0.

  5. Limit as xx \to -\infty: Similarly, as xx \to -\infty, the graph appears to approach y=0y = 0, so limxf(x)=0\lim_{x \to -\infty} f(x) = 0.

Would you like further analysis on specific sections of the graph, or do you have any particular questions regarding these limits?

Related Questions:

  1. How do we determine the left-hand and right-hand limits graphically?
  2. What happens when the limit from one side does not match the limit from the other side?
  3. How do horizontal asymptotes relate to limits at infinity?
  4. What is the significance of a discontinuity in a function?
  5. How can we find limits of functions that approach infinity at certain points?

Tip: Always check both the left-hand and right-hand limits when dealing with discontinuities or undefined behavior at certain points!

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Math Problem Analysis

Mathematical Concepts

Limits and Continuity
Asymptotes
Graphical Analysis of Functions

Formulas

Limit definition: lim_{x→c} f(x)
Horizontal asymptote: lim_{x→±∞} f(x) = L

Theorems

Left-hand and Right-hand Limit Theorem
Limits at Infinity

Suitable Grade Level

Grades 10-12