Math Problem Statement

The graph of y = f(x) is shown. What are all of the real solutions of f(x) = 0?

Solution

The graph you provided represents a function y=f(x)y = f(x), and the question asks for the real solutions of f(x)=0f(x) = 0. To find the solutions, we need to identify the points where the graph crosses the x-axis, as these are the points where f(x)=0f(x) = 0.

From the graph, the x-intercepts (where the graph crosses the x-axis) are approximately:

  • x=3x = -3
  • x=1x = 1
  • x=5x = 5

Thus, the real solutions to f(x)=0f(x) = 0 are: x=3,x=1,x=5x = -3, \quad x = 1, \quad x = 5

Would you like a deeper explanation or have any questions?

Here are 5 related questions to further explore the topic:

  1. What is the significance of the points where the graph crosses the x-axis?
  2. How can you algebraically solve for f(x)=0f(x) = 0 if you have the equation for f(x)f(x)?
  3. What is the difference between real and complex solutions for equations like f(x)=0f(x) = 0?
  4. How would you determine the multiplicity of a root by looking at the graph?
  5. Can a polynomial function of degree 3 (like this graph) have more or fewer than 3 real solutions?

Tip: The x-intercepts of a function correspond to its real roots (solutions), while the behavior of the graph at these points can help you determine if the root has even or odd multiplicity.

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Math Problem Analysis

Mathematical Concepts

Algebra
Graph Interpretation
Roots of Functions

Formulas

f(x) = 0 to find roots

Theorems

Root Theorem

Suitable Grade Level

Grades 9-12