Math Problem Statement
What kind of transformation converts the graph of f(x)= – 5x–5 into the graph of g(x)= – x–1?
Solution
To determine what transformation converts the graph of into the graph of , we need to compare the two equations and look for changes in the structure.
Step 1: Compare the forms of the two functions
-
The function is in slope-intercept form:
, where:- (slope),
- (y-intercept).
-
The function is also in slope-intercept form:
, where:- (slope),
- (y-intercept).
Step 2: Identify the transformations
-
Change in slope: The slope of is , and the slope of is . The slope has changed from to , which means the graph has undergone a vertical stretch (by a factor of 5) followed by a vertical compression (by a factor of 5), or it could be interpreted as a simple change in steepness.
-
Change in y-intercept: The y-intercept of is , and the y-intercept of is . This suggests a vertical translation of the graph upward by units (because ).
Step 3: Conclusion
The transformation from to can be described as:
- A vertical compression by a factor of 5 (changing the slope from to ).
- A vertical translation upward by 4 units (changing the y-intercept from to ).
Would you like more details on how these transformations work? Or have any further questions?
Here are 5 related questions to explore:
- How does a vertical stretch/compression affect the slope of a line?
- What is the general effect of a vertical translation on the graph of a function?
- How do you identify transformations when given two functions?
- Can you describe the effect of a horizontal shift on the graph of a linear function?
- How do reflections in the x-axis or y-axis alter the equation of a line?
Tip: When comparing linear functions, always start by comparing the slope and y-intercept to identify the main transformations.
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Math Problem Analysis
Mathematical Concepts
Linear Functions
Slope-Intercept Form
Graph Transformations
Formulas
Slope-Intercept Form: y = mx + b
Theorems
Transformation of Graphs
Vertical Stretch/Compression
Vertical Translation
Suitable Grade Level
Grades 8-10
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