Math Problem Statement
Sketch a graph of this
Solution
Let's analyze the given properties step by step and sketch a graph of the function based on them:
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means that as approaches 3, the function approaches 1. The function has a limit of 1 at , but it doesn't necessarily equal 1 there.
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tells us that the function equals 3 at . This is a specific point on the graph: the coordinate .
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implies that as approaches 2 from the right (i.e., values just greater than 2), the function approaches 1.
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implies that as approaches 2 from the left (i.e., values just less than 2), the function approaches -1.
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is undefined, meaning that the function has a discontinuity at .
Interpreting the behavior:
- At , the limit is 1, but the function could be different at , so we should put a hole at with the function approaching 1.
- At , the function passes through the point .
- At , the function is undefined, but we have different limits from both sides. From the left, it approaches -1, and from the right, it approaches 1. This is a jump discontinuity.
Based on these points, the graph would:
- Pass through .
- Have a hole at approaching .
- Jump from to at , with the function undefined at exactly .
Would you like me to generate a sketch of this graph?
Related questions:
- What type of discontinuity is at , and why?
- How does the graph behave near and ?
- What would happen if the limit as approaches 3 was different from the value of ?
- How would the graph change if were defined?
- Can a function be continuous but still have undefined points like in this case?
Tip:
When dealing with limits, always pay attention to the direction of approach (left-hand or right-hand limits) to identify potential jump discontinuities.
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Math Problem Analysis
Mathematical Concepts
Limits
Continuity
Discontinuity
Jump Discontinuity
Formulas
lim x→a f(x) = L
f(a) is undefined
Theorems
Continuity Theorem
Limit Definition
Discontinuity Classification
Suitable Grade Level
Grades 11-12 or College Level
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