Math Problem Statement

Find the domain and range of the graphed function.

Solution

From the graph provided, we can determine both the domain and range of the function.

Domain:

The domain is already given as [3,1)[-3, 1). This means the function includes the value 3-3 but not 11.

Range:

The range of the function represents the set of yy-values the graph covers. Observing the graph:

  1. The lowest point is at 5-5, which is included in the range (closed circle).
  2. The highest yy-value is 44, which is included in the range as well.

Thus, the range of the function is [5,4][-5, 4].

If you have further questions or want to expand on this, let me know!

Questions to Explore:

  1. What happens to the range if the graph shifts upward by 2 units?
  2. How does the domain change if the endpoint at x=1x = 1 becomes included?
  3. Can you write a quadratic equation that fits this graph?
  4. How does a change in scale on the axes affect the graph’s domain and range?
  5. How can you determine the range of a graph without explicitly seeing it?

Tip:

To find the range of a function graphically, always look for the lowest and highest yy-values and determine whether they are included or excluded using open or closed points.

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Math Problem Analysis

Mathematical Concepts

Functions
Domain and Range

Formulas

N/A (graphical analysis)

Theorems

N/A (graphical analysis)

Suitable Grade Level

Grades 9-12