Math Problem Statement
Graph h(x) = 2f(x) - 1, where the original graph of f(x) is provided as a piecewise linear function.
Solution
You have provided the graph of the function , and you're looking to graph .
Transformation Breakdown:
- Vertical Stretch by a factor of 2: The factor of 2 in stretches the graph of vertically by multiplying all -values by 2.
- Vertical Shift down by 1: The term shifts the graph down by 1 unit.
Applying Transformations:
- Start with . The given graph seems to be piecewise linear, with key points:
For each key point:
- Stretch by 2: Multiply the -coordinate by 2.
- Shift down by 1: Subtract 1 from the -coordinate.
Let's calculate the new points for :
-3 | 0 | 0 | -1 |
-2 | 2 | 4 | 3 |
0 | 2 | 4 | 3 |
2 | 2 | 4 | 3 |
3 | 0 | 0 | -1 |
So, the points on the graph of are:
These points outline the new shape of .
Would you like more details or an explanation of how to plot this? Here are a few related questions:
- How do you identify key points on a piecewise graph?
- How do different transformations (vertical stretch, shrink, translation) affect a graph?
- Can horizontal shifts and stretches be combined with vertical ones?
- How would the transformation change if the function was ?
- How can you graph transformations efficiently without recalculating each point?
Tip: When transforming graphs, always handle stretches first before applying translations.
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Math Problem Analysis
Mathematical Concepts
Function Transformation
Piecewise Functions
Graphing
Formulas
h(x) = 2f(x) - 1
Vertical Stretch and Shift
Theorems
Transformation Theorem: Vertical Stretch and Translation
Suitable Grade Level
Grades 9-12