Mitchell Davies
05/30/2024 · Middle School
Describe how the graph of the following function can be obtained from one of the basic graphs. \( g(x)=|4 x| \) To obtain the graph of \( g(x)=|4 x| \), start with the graph of \( y=\square \) by dividing each it by
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To obtain the graph of the function \( g(x) = |4x| \), we can start with the basic graph of \( y = |x| \), which is the absolute value function.
Here are the steps to transform the graph of \( y = |x| \) into the graph of \( g(x) = |4x| \):
1. **Start with the basic graph**: Begin with the graph of \( y = |x| \).
2. **Horizontal Scaling**: The function \( g(x) = |4x| \) can be seen as a horizontal scaling of the graph of \( y = |x| \). Specifically, the factor of 4 inside the absolute value indicates that we are compressing the graph horizontally by a factor of 4.
To achieve this, we replace \( x \) with \( \frac{x}{4} \) in the basic graph:
\[
y = |x| \quad \text{becomes} \quad y = |4 \cdot \frac{x}{4}| = |x|
\]
3. **Final Transformation**: The transformation can be summarized as follows:
- Start with \( y = |x| \).
- Apply the horizontal compression by a factor of 4, which gives us \( y = |4x| \).
Thus, the complete transformation can be described as:
To obtain the graph of \( g(x) = |4x| \), start with the graph of \( y = |x| \) and compress it horizontally by a factor of 4.
Quick Answer
To obtain the graph of \( g(x) = |4x| \), start with the graph of \( y = |x| \) and compress it horizontally by a factor of 4.
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