Math Problem Statement
which of the answer choices is correct?
Solution
The problem is asking which statement correctly describes the relation shown in the graph.
Analyzing the Graph:
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Check if it's a Function: A relation is a function if every input (x-value) has exactly one output (y-value). To determine this, we can use the Vertical Line Test. If any vertical line crosses the graph more than once, the graph does not represent a function.
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Identify Domain and Range:
- Domain: The set of all possible x-values. Based on the graph, the x-values range from -2 to 4.
- Range: The set of all possible y-values. The y-values range from -1 to 5.
Vertical Line Test:
- The graph has a "V" shape where a vertical line would cross it more than once in some sections, meaning it fails the Vertical Line Test. Therefore, it is not a function.
Matching the Statements:
Let's examine each option:
- A) It claims the relation is a function, which it is not.
- B) It correctly states that the domain is , the range is , and the relation is not a function.
- C) The domain does not match the graph.
- D) It claims the relation is a function, which it is not.
Conclusion:
The correct answer is B.
Would you like more details or have any questions?
Here are 5 related questions for further exploration:
- How can you determine the domain and range of a graph?
- What is the Vertical Line Test and why is it important?
- How can you tell if a relation is not a function just by looking at a set of ordered pairs?
- Can a function have the same y-value for different x-values? Why or why not?
- What are some real-life examples of relations that are not functions?
Tip: Always apply the Vertical Line Test to verify if a relation is a function when looking at a graph.
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Math Problem Analysis
Mathematical Concepts
Function Testing
Domain and Range
Vertical Line Test
Formulas
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Theorems
Vertical Line Test
Suitable Grade Level
Grades 8-10
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