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Solve the inequality. Write the solution set in interval notation, and graph it. \[ 16<7 p+2<37 \] The solution set is

Ask by Frank Wilson. in the United States
Jan 23,2025

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Answer

The solution set is \( (2, 5) \).

Solution

To solve the inequality \( 16 < 7p + 2 < 37 \), follow these steps: 1. **Subtract 2 from all parts of the inequality:** \[ 16 - 2 < 7p + 2 - 2 < 37 - 2 \] \[ 14 < 7p < 35 \] 2. **Divide each part by 7 to isolate \( p \):** \[ \frac{14}{7} < p < \frac{35}{7} \] \[ 2 < p < 5 \] 3. **Express the solution in interval notation:** \[ (2, 5) \] 4. **Graphing the Solution:** - Draw a number line. - Place open circles (parentheses) at 2 and 5 to indicate that these endpoints are not included. - Shade the region between 2 and 5 to represent all real numbers \( p \) that satisfy the inequality. ![Number Line](https://i.imgur.com/8K4zFvR.png) *Graphical Representation of the Solution:* \[ \text{--------(}2\text{)}\ \underline{\hspace{1.5cm}}\ (\!5\text{)--------} \] **Final Answer:** \(\boxed{\, (\,2,\;\!5\,)}\)

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Bonus Knowledge

To solve the double inequality \( 16 < 7p + 2 < 37 \), we can break it down into two parts: 1. **First Inequality:** \[ 16 < 7p + 2 \] Subtracting 2 from both sides gives: \[ 14 < 7p \] Dividing by 7 results in: \[ 2 < p \quad \text{or} \quad p > 2 \] 2. **Second Inequality:** \[ 7p + 2 < 37 \] Subtracting 2 from both sides gives: \[ 7p < 35 \] Dividing by 7 results in: \[ p < 5 \] Combining both results, we find: \[ 2 < p < 5 \] In interval notation, the solution set is: \[ (2, 5) \] To graph this solution, we would represent it on a number line with an open interval from 2 to 5, indicating that the endpoints 2 and 5 are not included in the solution.

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