Calculus: Early Transcendentals
Calculus: Early Transcendentals
8th Edition
ISBN: 9781285741550
Author: James Stewart
Publisher: Cengage Learning
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**Graph Analysis for Function Intervals**

**Task:**
Use the graph to estimate the open intervals on which the function is increasing or decreasing. Then find the open intervals analytically. (Enter your answers using interval notation.)

**Function:**
\[ y = -(x + 2)^2 \]

**Graph Explanation:**
- The graph is a downward-opening parabola with its vertex at the point \((-2, 0)\).

**Interval Analysis:**
- **Increasing Interval:** 
  - The function is increasing on the interval from \((-∞, -2)\).

- **Decreasing Interval:**
  - The function is decreasing on the interval from \((-2, ∞)\).

These observations can be verified analytically by examining the vertex and the direction of the parabola. The function increases as \(x\) approaches \(-2\) from the left and decreases as \(x\) moves to the right of \(-2\).
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Transcribed Image Text:**Graph Analysis for Function Intervals** **Task:** Use the graph to estimate the open intervals on which the function is increasing or decreasing. Then find the open intervals analytically. (Enter your answers using interval notation.) **Function:** \[ y = -(x + 2)^2 \] **Graph Explanation:** - The graph is a downward-opening parabola with its vertex at the point \((-2, 0)\). **Interval Analysis:** - **Increasing Interval:** - The function is increasing on the interval from \((-∞, -2)\). - **Decreasing Interval:** - The function is decreasing on the interval from \((-2, ∞)\). These observations can be verified analytically by examining the vertex and the direction of the parabola. The function increases as \(x\) approaches \(-2\) from the left and decreases as \(x\) moves to the right of \(-2\).
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