Math Problem Statement
lim(x -> 3) (|x + 2| - 1) / (3 + x)
Solution
The limit you provided is:
Solution:
- Substitute directly into the expression:
Since the absolute value function does not affect the expression for , this is a straightforward substitution.
Final Answer:
Would you like more details or have any questions about the steps? Here are 5 follow-up questions for deeper understanding:
- How does the absolute value function affect limits when the expression inside it changes sign?
- What happens if we approach a point where the expression inside the absolute value equals zero?
- How does direct substitution help in limit calculations, and when does it fail?
- Could this limit be computed differently using piecewise analysis if the absolute value was more complex?
- What if the limit was evaluated at a point where the denominator equals zero—how would we handle that?
Tip: Always check if direct substitution works for a limit before trying more advanced techniques!
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Math Problem Analysis
Mathematical Concepts
Limits
Absolute Value
Direct Substitution
Formulas
lim(x -> a) f(x) = f(a) (if f is continuous at x = a)
Absolute Value Function |x|
Theorems
Limit Theorem for Continuous Functions
Suitable Grade Level
Grades 10-12