Math Problem Statement

find the domain and range

Find the domain and range of the graph.

Solution

To find the domain and range of the function represented in the graph, we follow these steps:

Domain:

The domain of a function represents all possible input values (x-values) that the function can take.

From the graph, it appears the function starts at x=4x = -4 (since there's a point on the graph at this x-value), and it ends at x=2x = 2 (since the graph has a point here and does not extend further). Between these values, the function is continuous.

  • Domain: [4,2][-4, 2]

Range:

The range of a function represents all possible output values (y-values) that the function can produce.

From the graph, we look at the lowest and highest points on the y-axis that the function reaches. The lowest point occurs around y=4y = -4, and the highest point occurs around y=3y = 3.

  • Range: [4,3][-4, 3]

Summary:

  • Domain: [4,2][-4, 2]
  • Range: [4,3][-4, 3]

Would you like further clarification or more details on this graph analysis?

Here are five related questions to consider:

  1. What does it mean for a function to be continuous on its domain?
  2. How can we determine whether the graph represents a function using the vertical line test?
  3. What is the importance of identifying key points, such as intercepts, when analyzing a graph?
  4. How can transformations (shifts, stretches) affect the domain and range of a function?
  5. Can a function have a limited domain but an infinite range?

Tip: When analyzing graphs, always look for endpoints, turning points, and any discontinuities to accurately determine domain and range.

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Math Problem Analysis

Mathematical Concepts

Domain
Range
Graph Analysis

Formulas

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Theorems

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Suitable Grade Level

Grades 7-9