Math Problem Statement

For what values of x does the function f have a local (relative) maximum and minimum on (0, 8)? Find the absolute maximum and minimum as well.

Solution

Let's analyze the graph and answer the questions based on it.

Observations from the Graph:

  • The function is plotted over the interval [0,8][0, 8].
  • We can identify the local maxima, minima, and endpoints from the curve's behavior.

Answering the Questions:

  1. Local Maximum on (0, 8): A local maximum occurs where the graph changes from increasing to decreasing. Based on the graph, the local maximum appears at x=2x = 2, where the function peaks before starting to decrease.

    Answer: x=2x = 2

  2. Local Minimum on (0, 8): A local minimum occurs where the graph changes from decreasing to increasing. The function reaches local minima at:

    • Around x=5x = 5, as the graph dips and then rises again.

    Answer: x=5x = 5

  3. Absolute Maximum on [0, 8]: The highest point on the graph across the interval [0,8][0, 8] is around x=0x = 0, where the function value is approximately 5.

    Answer: Absolute maximum 5\approx 5

  4. Absolute Minimum on [0, 8]: The lowest point on the graph across the interval [0,8][0, 8] occurs around x=7x = 7, where the function value is approximately 0.

    Answer: Absolute minimum 0\approx 0

Would you like further details on any specific part of this problem? Let me know if you have any questions!

Related Questions:

  1. What is the difference between local and absolute extrema?
  2. How can you find extrema using calculus?
  3. How can the endpoints of a function affect the absolute extrema?
  4. What is the first derivative test for determining local maxima and minima?
  5. What is the role of concavity in identifying local extrema?

Tip:

When identifying extrema, remember that local extrema depend on the behavior of the function in small neighborhoods, while absolute extrema depend on the entire interval being considered.

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Math Problem Analysis

Mathematical Concepts

Calculus
Extrema of Functions
Graph Analysis

Formulas

None used explicitly (Graph Analysis)

Theorems

First Derivative Test
Extreme Value Theorem

Suitable Grade Level

Grades 11-12 or Calculus Level