Table of contents
- 0. Review of Algebra4h 16m
- 1. Equations & Inequalities3h 18m
- 2. Graphs of Equations43m
- 3. Functions2h 17m
- 4. Polynomial Functions1h 44m
- 5. Rational Functions1h 23m
- 6. Exponential & Logarithmic Functions2h 28m
- 7. Systems of Equations & Matrices4h 6m
- 8. Conic Sections2h 23m
- 9. Sequences, Series, & Induction1h 19m
- 10. Combinatorics & Probability1h 45m
3. Functions
Function Composition
1:49 minutes
Problem 80
Textbook Question
Textbook QuestionGraph the inverse of each one-to-one function.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
One-to-One Functions
A one-to-one function is a type of function where each output value is uniquely paired with one input value. This means that no two different inputs produce the same output. This property is essential for a function to have an inverse, as the inverse must also be a function, which requires that each output corresponds to exactly one input.
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Inverse Functions
An inverse function essentially reverses the effect of the original function. If a function f takes an input x and produces an output y, then its inverse f⁻¹ takes y back to x. Graphically, the inverse of a function can be found by reflecting the graph of the original function across the line y = x, which helps visualize the relationship between the function and its inverse.
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Graphing Techniques
Graphing techniques involve plotting points on a coordinate plane to represent mathematical functions visually. For one-to-one functions and their inverses, understanding how to accurately reflect points across the line y = x is crucial. This reflection allows for the correct representation of the inverse function, ensuring that the graph maintains the one-to-one property.
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