Math Problem Statement
Select all statements below about the function f(x) that you agree with, based on the provided graph.
Solution
Let's analyze the graph and the given statements step-by-step.
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is defined.
- This means that there is a defined value of at . In the graph, at , there is a hole (open circle) which indicates that the function is not defined there. Hence, is not defined.
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exists.
- This refers to the limit of the function as approaches 2 from both sides. From the graph, as approaches 2 from the left and right, approaches the same value (looks like ). Hence, the limit exists.
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.
- For this to be true, both the limit as approaches 2 and must exist and be equal. From the previous analysis, is not defined, so this statement is false.
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The function is continuous at .
- A function is continuous at if is defined, exists, and . Since is not defined, the function is not continuous at .
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The function is not continuous at .
- Since is not defined, the function is indeed not continuous at .
Conclusion:
The correct statements are:
- exists.
- The function is not continuous at .
Would you like more details or have any other questions? Here are some related questions you might be interested in:
- What are the different types of discontinuities in a function?
- How do we find the limit of a function analytically?
- What is the definition of continuity for a function?
- Can a function have a limit at a point where it is not defined?
- What is the graphical interpretation of a limit?
Tip: Remember, a hole in the graph indicates that the function is not defined at that point, but it does not necessarily affect the existence of the limit.
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Math Problem Analysis
Mathematical Concepts
Limits
Continuity
Function Definition
Discontinuity
Formulas
Limit: lim_{x→c} f(x)
Continuity: A function is continuous at x = c if f(c) is defined and lim_{x→c} f(x) = f(c)
Theorems
Definition of continuity
Limit existence and evaluation
Suitable Grade Level
Grades 11-12 (High School Calculus)