Table of contents
- 0. Functions7h 52m
- Introduction to Functions16m
- Piecewise Functions10m
- Properties of Functions9m
- Common Functions1h 8m
- Transformations5m
- Combining Functions27m
- Exponent rules32m
- Exponential Functions28m
- Logarithmic Functions24m
- Properties of Logarithms34m
- Exponential & Logarithmic Equations35m
- Introduction to Trigonometric Functions38m
- Graphs of Trigonometric Functions44m
- Trigonometric Identities47m
- Inverse Trigonometric Functions48m
- 1. Limits and Continuity2h 2m
- 2. Intro to Derivatives1h 33m
- 3. Techniques of Differentiation3h 18m
- 4. Applications of Derivatives2h 38m
- 5. Graphical Applications of Derivatives6h 2m
- 6. Derivatives of Inverse, Exponential, & Logarithmic Functions2h 37m
- 7. Antiderivatives & Indefinite Integrals1h 26m
- 8. Definite Integrals4h 44m
- 9. Graphical Applications of Integrals2h 27m
- 10. Physics Applications of Integrals 2h 22m
0. Functions
Common Functions
Problem 1.R.14
Textbook Question
Assume f is an odd function and that both f and g are one-to-one. Use the (incomplete) graph of f and the graph of g to find the following function values. <IMAGE>
f⁻¹( g⁻¹(4))

1
Understand that an odd function f satisfies the property f(-x) = -f(x) for all x in its domain.
Recognize that if f is one-to-one, it has an inverse function f⁻¹, and similarly for g.
To find f⁻¹(g⁻¹(4)), start by finding g⁻¹(4). This means finding the value x such that g(x) = 4.
Once you have the value of x from g⁻¹(4), use it to find f⁻¹(x). This means finding the value y such that f(y) = x.
Use the properties of odd functions and the given graphs to determine the specific values needed for f⁻¹ and g⁻¹.

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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Odd Functions
An odd function is defined by the property f(-x) = -f(x) for all x in its domain. This symmetry about the origin implies that the graph of an odd function will reflect across both axes. Understanding this property is crucial when analyzing the behavior of the function and its inverse, especially in relation to the values being computed.
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Properties of Functions
One-to-One Functions
A one-to-one function, or injective function, is one where each output is produced by exactly one input. This means that if f(a) = f(b), then a must equal b. This property is essential for determining the existence of an inverse function, as only one-to-one functions can have well-defined inverses that map back uniquely to their original inputs.
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One-Sided Limits
Inverse Functions
An inverse function essentially reverses the effect of the original function. If f is a function and f⁻¹ is its inverse, then f(f⁻¹(x)) = x for all x in the range of f. In this context, finding f⁻¹(g⁻¹(4)) involves first determining g⁻¹(4) and then applying f⁻¹ to that result, highlighting the importance of understanding how to compute and interpret inverse functions.
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Inverse Cosine
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