Math Problem Statement
Solution
We are given the inequality:
Step 1: Solve the inequality
To solve this absolute value inequality, we split it into two inequalities by removing the absolute value:
Step 2: Solve both sides of the inequality
Now, solve for step by step.
- Add 3 to all parts of the inequality:
- Divide everything by 3:
Step 3: Interpret the solution
This inequality tells us that the solution to is between 0 and 2 (but not including 0 or 2, since the inequality is strict).
Step 4: Check the provided intervals
Now, let’s look at the options:
- A. : This is not part of the solution, because is outside the valid range .
- B. : This interval is entirely within , so it could be part of the solution.
- C. : This includes , which is outside the valid range, so it's not part of the solution.
- D. : This interval includes 0, which violates the strict inequality .
Conclusion:
The correct answer is B. , as this interval lies entirely within .
Would you like further clarification or additional details?
Related Questions:
- How would the solution change if the inequality were ?
- What if the inequality was ? How would that affect the intervals?
- How can we graph the solution to on a number line?
- What method can we use to solve absolute value inequalities in general?
- How do strict inequalities affect the endpoints of intervals in solutions?
Tip:
Always remember to handle absolute value inequalities by splitting them into two separate inequalities—one for the positive case and one for the negative case.
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Math Problem Analysis
Mathematical Concepts
Algebra
Absolute Value Inequalities
Interval Notation
Formulas
Absolute Value Inequality: |x - a| < b
Theorems
Properties of Absolute Value Inequalities
Suitable Grade Level
Grades 9-11