Questions: The image contains a grid or coordinate plane with x and y axes drawn on it. There are two intersecting lines plotted, forming what appears to be the graph of a linear or simple polynomial function.

The image contains a grid or coordinate plane with x and y axes drawn on it. There are two intersecting lines plotted, forming what appears to be the graph of a linear or simple polynomial function.
Transcript text: The image contains a grid or coordinate plane with x and y axes drawn on it. There are two intersecting lines plotted, forming what appears to be the graph of a linear or simple polynomial function.
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Solution

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Solution Steps

Step 1: Identify the Parent Function

The given function is y=4x y = \frac{4}{x} . The parent function for this is y=1x y = \frac{1}{x} .

Step 2: Determine the Transformation

The transformation involves multiplying the parent function by 4. This means the graph of y=1x y = \frac{1}{x} will be vertically stretched by a factor of 4.

Step 3: Apply the Transformation

To graph y=4x y = \frac{4}{x} , take key points from the parent function y=1x y = \frac{1}{x} and multiply the y-values by 4. For example:

  • For x=1 x = 1 , y=11=1 y = \frac{1}{1} = 1 becomes y=4 y = 4 .
  • For x=1 x = -1 , y=11=1 y = \frac{1}{-1} = -1 becomes y=4 y = -4 .
  • For x=2 x = 2 , y=12=0.5 y = \frac{1}{2} = 0.5 becomes y=2 y = 2 .
  • For x=2 x = -2 , y=12=0.5 y = \frac{1}{-2} = -0.5 becomes y=2 y = -2 .

Final Answer

The graph of y=4x y = \frac{4}{x} is a vertical stretch of the graph of y=1x y = \frac{1}{x} by a factor of 4. The key points are transformed accordingly, and the graph maintains the same general shape but with y-values scaled by 4.

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