Math Problem Statement
Find the limit: \(\lim_{x \to -1^+} \frac{(x+5) \cdot \frac{|x+1|}{x+1}}{}\)
Solution
The given problem asks you to find the limit:
Since we are taking the limit as approaches from the right (), let's break it down:
Step 1: Simplify the absolute value term
- The absolute value function behaves differently depending on whether is positive or negative.
- Since means is slightly greater than , is positive for . Thus, .
Step 2: Substitute into the expression
So the given expression simplifies to:
For , the cancels out, leaving:
Step 3: Take the limit
Now we take the limit of as :
Thus, the limit is .
Conclusion:
The correct answer is C: 4.
Would you like any more details or have any questions? Here are some related questions to consider:
- How does the behavior of the absolute value function change if the limit is from the left?
- What happens if the limit was as approaches from both sides (two-sided limit)?
- Can this type of problem have an undefined limit?
- What is the general strategy for handling limits involving absolute values?
- What are the differences between one-sided and two-sided limits?
Tip: Always carefully analyze the direction of limits when absolute values are involved!
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Math Problem Analysis
Mathematical Concepts
Limits
Absolute Value
Algebraic Simplification
Formulas
|x+1| = x+1 for x > -1
Theorems
Limit Theorems
Absolute Value Properties
Suitable Grade Level
Grades 10-12