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Solve and write interval notation for the solution set. Then graph the solution set. \( x+14 \leq-\frac{1}{2} \) or \( x+14 \geq \frac{1}{2} \)

Ask by Martin Turner. in the United States
Feb 25,2025

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Answer

The solution set is \( x \leq -\frac{29}{2} \) or \( x \geq -\frac{27}{2} \).

Solution

Solve the equation \( x+14 \leq-\frac{1}{2} \). Solve the inequality by following steps: - step0: Solve for \(x\): \(x+14\leq -\frac{1}{2}\) - step1: Move the constant to the right side: \(x\leq -\frac{1}{2}-14\) - step2: Subtract the numbers: \(x\leq -\frac{29}{2}\) Solve the equation \( x+14 \geq \frac{1}{2} \). Solve the inequality by following steps: - step0: Solve for \(x\): \(x+14\geq \frac{1}{2}\) - step1: Move the constant to the right side: \(x\geq \frac{1}{2}-14\) - step2: Subtract the numbers: \(x\geq -\frac{27}{2}\) The solution set for the given inequality is \( x \leq -\frac{29}{2} \) or \( x \geq -\frac{27}{2} \). To graph the solution set, we need to plot the points \( x = -\frac{29}{2} \) and \( x = -\frac{27}{2} \) on the number line and shade the regions that satisfy the inequality. The solution set is the union of the two intervals \( (-\infty, -\frac{29}{2}] \) and \( [-\frac{27}{2}, \infty) \).

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To solve the inequalities, let's start with the first one: 1. \( x + 14 \leq -\frac{1}{2} \): \[ x \leq -\frac{1}{2} - 14 \\ x \leq -\frac{1}{2} - \frac{28}{2} \\ x \leq -\frac{29}{2} \\ x \leq -14.5 \] 2. Now for the second inequality: \[ x + 14 \geq \frac{1}{2} \\ x \geq \frac{1}{2} - 14 \\ x \geq \frac{1}{2} - \frac{28}{2} \\ x \geq -\frac{27}{2} \\ x \geq -13.5 \] Now, combining these results, we have: - The solution set is \( x \leq -14.5 \) or \( x \geq -13.5 \). In interval notation, this can be expressed as: \[ (-\infty, -14.5] \cup [-13.5, \infty) \] To graph this solution set: 1. Draw a number line. 2. Shade to the left starting from -14.5, and include -14.5 with a closed dot. 3. Shade to the right starting from -13.5, and include -13.5 with another closed dot. So, the graph has a solid line extending from the left of -14.5 and the right of -13.5.

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