1. **State the problem:** Graph the function $$f(x) = \frac{4}{x-5}$$ and identify its transformations and asymptotes.
2. **Recall the general form and asymptotes:** The parent function for inverse variation is $$f(x) = \frac{1}{x}$$.
- Vertical asymptote (V.A.) occurs where the denominator is zero.
- Horizontal asymptote (H.A.) is the value that $$f(x)$$ approaches as $$x \to \pm \infty$$.
3. **Identify transformations:**
- The function is shifted right by 5 units because of $$x-5$$ in the denominator.
- The numerator 4 indicates a vertical stretch by a factor of 4.
4. **Find asymptotes:**
- Vertical asymptote: Set denominator to zero $$x-5=0 \Rightarrow x=5$$.
- Horizontal asymptote: Since degree of numerator is 0 and denominator is 1, $$y=0$$.
5. **Graph behavior:**
- For $$x > 5$$, $$f(x)$$ is positive and approaches 0 from above as $$x \to \infty$$.
- For $$x < 5$$, $$f(x)$$ is negative and approaches 0 from below as $$x \to -\infty$$.
6. **Summary:**
- Transformations: Shift right 5 units, vertical stretch by 4.
- Vertical asymptote: $$x=5$$.
- Horizontal asymptote: $$y=0$$.
Final answer: The graph of $$f(x) = \frac{4}{x-5}$$ has a vertical asymptote at $$x=5$$ and a horizontal asymptote at $$y=0$$, shifted right 5 units with vertical stretch 4.
Inverse Variation Graph 51B713
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