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 . This means the function includes the value but not .
Range:
The range of the function represents the set of -values the graph covers. Observing the graph:
- The lowest point is at , which is included in the range (closed circle).
- The highest -value is , which is included in the range as well.
Thus, the range of the function is .
If you have further questions or want to expand on this, let me know!
Questions to Explore:
- What happens to the range if the graph shifts upward by 2 units?
- How does the domain change if the endpoint at becomes included?
- Can you write a quadratic equation that fits this graph?
- How does a change in scale on the axes affect the graph’s domain and range?
- 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 -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