We are given the transformed function $f(x) = \frac{1}{8}h(x-6)-5$ and we want to determine the transformations that have been applied to the parent function $h(x)$. We need to identify any reflections, stretches/compressions, vertical shifts, and horizontal shifts.

AlgebraFunction TransformationsVertical CompressionVertical ShiftHorizontal Shift
2025/6/12

1. Problem Description

We are given the transformed function f(x)=18h(x6)5f(x) = \frac{1}{8}h(x-6)-5 and we want to determine the transformations that have been applied to the parent function h(x)h(x). We need to identify any reflections, stretches/compressions, vertical shifts, and horizontal shifts.

2. Solution Steps

* Reflection: The general form for a reflection across the x-axis is h(x)-h(x) and a reflection across the y-axis is h(x)h(-x). In our function, f(x)=18h(x6)5f(x) = \frac{1}{8}h(x-6)-5, there is no negative sign in front of h(x6)h(x-6) or a negative inside the h(x)h(x) as in h(x)h(-x), thus there is no reflection.
* Stretches/Compressions: The general form is ah(x)a \cdot h(x), where aa is a constant. If a>1|a| > 1, then it's a vertical stretch. If 0<a<10 < |a| < 1, then it's a vertical compression. In the function f(x)=18h(x6)5f(x) = \frac{1}{8}h(x-6)-5, the constant a=18a = \frac{1}{8}. Since 0<18<10 < \frac{1}{8} < 1, there is a vertical compression by a factor of 18\frac{1}{8}.
* Vertical Shift: The general form is h(x)+ch(x) + c, where cc is a constant. If c>0c > 0, then the graph shifts upward. If c<0c < 0, then the graph shifts downward. In the function f(x)=18h(x6)5f(x) = \frac{1}{8}h(x-6)-5, we have 5-5, so there is a vertical shift downward by 5 units.
* Horizontal Shift: The general form is h(xd)h(x - d), where dd is a constant. If d>0d > 0, then the graph shifts to the right. If d<0d < 0, then the graph shifts to the left. In the function f(x)=18h(x6)5f(x) = \frac{1}{8}h(x-6)-5, we have x6x-6. Here, d=6d = 6, so the graph shifts to the right by 6 units.

3. Final Answer

a) No Reflection
b) Vertical Compression by a factor of 1/8
c) Vertical Shift Down 5 units
d) Horizontal Shift Right 6 units

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