Math Problem Statement
If the absolute value child function g(x) has a y -intercept at (0, 5) , where is the y -intercept of g(12x) ?
Solution
The function has a y-intercept at , which means . Now, you're asked to find the y-intercept of the transformed function .
Step-by-step solution:
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Understanding the y-intercept:
- The y-intercept of a function occurs where . So, to find the y-intercept of , we substitute into the transformed function.
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Substitute into the transformed function:
- becomes .
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Use the given information:
- We already know that . So, the y-intercept of is also .
Conclusion:
The y-intercept of is , the same as the y-intercept of the original function.
Would you like further details or any clarifications?
Here are 5 related questions to explore:
- How does horizontal scaling affect the x-intercept of a function?
- What is the effect of vertical scaling on the y-intercept?
- How do transformations like affect the slope of linear parts in a piecewise function?
- How would a translation of the function affect the y-intercept?
- How do transformations affect the symmetry of an absolute value function?
Tip: Horizontal transformations involve changes to the input (x), while vertical transformations involve changes to the output (y).
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Math Problem Analysis
Mathematical Concepts
Functions
Transformations
Absolute Value Function
Horizontal Scaling
Formulas
g(12x) where g(x) has a y-intercept at (0, 5)
Theorems
Horizontal scaling theorem for functions
Suitable Grade Level
Grades 9-10