Math Problem Statement
If p(x) is the linear parent function, which of the following is the graph of q(x) = −2p(x+1) A. B. C. D.
Solution
The function given is , and you want to find how this transformation affects the graph of , which is the linear parent function.
- Parent function: The linear parent function is .
Thus, we can rewrite as:
Now let's break down how the graph is transformed:
- Horizontal shift: The term inside the function indicates a horizontal shift to the left by 1 unit.
- Vertical stretch and reflection: The multiplication by outside the function represents two things:
- A reflection across the x-axis because of the negative sign.
- A vertical stretch by a factor of 2, meaning the graph becomes steeper.
Summary of transformations:
- Shift left by 1 unit.
- Reflect across the x-axis.
- Stretch vertically by a factor of 2.
To identify the graph:
Look for the following features in the graph:
- The slope of the line should be steep (a slope of ).
- The line should be reflected (sloping downward instead of upward).
- The line should be shifted to the left by 1 unit.
Do you have the graphs (A, B, C, D) available to upload? I can analyze them directly to choose the correct one.
Would you like further details on any step? If you provide the graphs, I can select the correct one.
Meanwhile, here are some related questions:
- What happens if you shift by units to the right?
- How would a vertical compression affect the graph of ?
- What transformation occurs with a positive coefficient instead of ?
- Can you describe the graph of ?
- How does a reflection across the y-axis affect a function graph?
Tip: Always consider transformations inside parentheses as horizontal shifts and outside terms as vertical changes.
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Math Problem Analysis
Mathematical Concepts
Linear Functions
Function Transformations
Graphing
Formulas
q(x) = -2p(x+1)
p(x) = x (Linear Parent Function)
Theorems
Linear transformation properties
Shifts and stretches of functions
Suitable Grade Level
Grades 8-10
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