Pregunta
Solve the compound inequality. \( -1<2 x-1 \leq 9 \) Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The solution set is \( \square \). Type your answer in interval notation.) B. The solution set is the empty set.
Ask by Boone Mccarthy. in the United States
Mar 09,2025
Solución de inteligencia artificial de Upstudy
Respuesta verificada por el tutor
Responder
The solution set is \( (0, 5] \).
Solución
1. Start with the compound inequality:
\[
-1 < 2x - 1 \leq 9
\]
2. Add \(1\) to all three parts of the inequality:
\[
-1 + 1 < 2x - 1 + 1 \leq 9 + 1
\]
which simplifies to:
\[
0 < 2x \leq 10
\]
3. Divide each part by \(2\) (since \(2\) is positive, the direction of the inequalities remains unchanged):
\[
\frac{0}{2} < \frac{2x}{2} \leq \frac{10}{2}
\]
simplifying to:
\[
0 < x \leq 5
\]
4. In interval notation, the solution set is:
\[
(0, 5]
\]
Answer: A. The solution set is \( (0, 5] \).
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Como
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Extra Insights
To solve the compound inequality \(-1 < 2x - 1 \leq 9\), we can split it into two parts. First, solve \(-1 < 2x - 1\): 1. Add 1 to both sides: \(0 < 2x\). 2. Divide by 2: \(0 < x\) or \(x > 0\). Next, solve \(2x - 1 \leq 9\): 1. Add 1 to both sides: \(2x \leq 10\). 2. Divide by 2: \(x \leq 5\). Combining these results, we have \(0 < x \leq 5\). In interval notation, the solution set is \((0, 5]\). The correct choice is A. The solution set is \((0, 5]\).
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