Math Problem Statement

When is the function negative?

Solution

To solve this problem, let's analyze the graph shown in the image to determine when the function is negative.

  1. Graph Analysis:
    The graph is a simple piecewise linear function. The function appears to cross the x-axis at two points:

    • One point seems to be at x=6x = -6.
    • The other point seems to be at x=2x = 2.

    The function dips below the x-axis (i.e., the function is negative) between these two points. This means that the function is negative for the interval: 6<x<2-6 < x < 2

  2. Answer Choices:
    The answer choices provided are:

    • x>3x > 3
    • x<3x < 3
    • 6<x<2-6 < x < 2
    • x<6x < -6 and x>2x > 2

    Based on the interval identified from the graph, the correct answer is: 6<x<2-6 < x < 2

    Therefore, the function is negative for the interval 6<x<2-6 < x < 2.

Would you like a more detailed explanation of this solution, or do you have any questions about the graph or the problem?

Related Questions:

  1. What does it mean for a function to be positive on a graph?
  2. How can you find where a function is zero using its graph?
  3. What are the steps to determine intervals of positivity and negativity for a given function?
  4. How do piecewise functions affect the intervals of positivity and negativity?
  5. How can the slope of a function affect its intervals of positivity and negativity?

Tip: When analyzing the graph of a function, focus on the x-axis intersections to identify intervals where the function changes its sign (positive or negative).

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Math Problem Analysis

Mathematical Concepts

Functions
Graph Analysis
Inequalities

Formulas

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Theorems

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Suitable Grade Level

Grades 8-10