
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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Transcribed Image Text:### Exercise: Graph of \( f(x) = \cot(x) + 1 \)
#### Instructions:
1. **Draw asymptotes as dashed lines on graph.**
2. **Amplitude:**
(Leave blank, as cotangent functions do not have an amplitude).
3. **Period:**
\( 0 < Bx - C < \pi \)
\( \_\_\_\_ < x < \_\_\_\_\_ \) (Fill in the blank intervals).
4. **Domain:**
All real numbers except every \_\_\_\_ (period), beginning at \_\_\_\_.
5. **Vertical shift:**
(Leave blank, no vertical shift for this function).
6. **Asymptotes:**
\( x = \_\_\_\_\_, x = \_\_\_\_\_ \) (Identify the vertical asymptotes for one period).
7. **Point of inflection:**
\(( \_\_\_\_\_, \_\_\_\_\_ )\) (Identify if exists).
8. **1/4 and 3/4 points:**
\(( \_\_\_\_\_, \_\_\_\_\_ )\) and \(( \_\_\_\_\_, \_\_\_\_\_ )\) (Mark these points on the graph).
9. **Range:**
\(\_\_\_\_\_\_\_) (Define the range of the function).
10. **Graph two periods of the curve. Draw the asymptotes as dashed lines.**
#### Graph Description:
The provided graph shows the \(y\)-axis in the vertical direction and the \(x\)-axis in the horizontal direction. The x-values range from \(-\pi\) to \(2\pi\), and y-values range from \(-3\) to \(4\). Dashed vertical lines indicate the asymptotes where the function is undefined. Points are marked on the curve at regular intervals.
Key points to include:
- Vertical asymptotes at \( x = 0 \), \( x = \pi \), \( x = 2\pi \), etc.
- Increasing behavior of the function \( f(x) \) within each period \((0, \pi)\) and \((\pi, 2\pi)\).
- The function values transition smoothly through the points marked on the graph.
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