Math Problem Statement

Use the graph of f shown to find the indicated limit or function value. If the limit does not exist, explain why. What is f(2)?

Solution

To determine f(2)f(2) using the graph provided, let's analyze the point where x=2x = 2.

Step-by-Step Solution:

  1. Locate x=2x = 2 on the graph: Find the point on the graph corresponding to x=2x = 2.

  2. Identify f(2)f(2): Look at the value of yy (i.e., f(x)f(x)) at x=2x = 2.

    • The graph shows a filled dot at the point (2,3)(2, 3), which indicates that the value of the function f(2)=3f(2) = 3.
  3. Final Answer: Since f(2)f(2) corresponds to the yy-value of the point (2,3)(2, 3), we conclude that f(2)=3f(2) = 3.

Explanation:

The correct answer is 3, as the filled dot at (2,3)(2, 3) represents the actual value of the function at x=2x = 2.

Would you like more details on this topic or have any further questions?

Here are five related questions for you to explore:

  1. How do you determine if a limit exists at a point using a graph?
  2. What is the difference between a limit and the actual value of a function at a point?
  3. How do you find one-sided limits on a graph?
  4. What happens if a function has a discontinuity at a point?
  5. Can a function have different left-hand and right-hand limits at the same point?

Tip: When determining function values from a graph, always pay attention to whether the point is filled (indicating the function's value) or open (indicating that the function does not take that value there).

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Math Problem Analysis

Mathematical Concepts

Limits
Function Values
Graph Interpretation

Formulas

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Theorems

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Suitable Grade Level

Grades 10-12