Two functions fand g are defined in the figure below. (a) Domain of f (b) 3 Range of f 4 6 7 9 Domain of g g Find the domain and range of the composition gof. Write your answers in set notation. Domain of g of:] Range of g of : ] Range of g --... x 5 ?
Two functions fand g are defined in the figure below. (a) Domain of f (b) 3 Range of f 4 6 7 9 Domain of g g Find the domain and range of the composition gof. Write your answers in set notation. Domain of g of:] Range of g of : ] Range of g --... x 5 ?
Chapter3: Functions
Section3.7: Inverse Functions
Problem 1SE: Describe why the horizontal line test is an effective way to determine whether a function is...
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![### Composition of Functions: Domain and Range
In the figure below, two functions \( f \) and \( g \) are defined. We need to determine the domain and range of the composition \( g \circ f \).
#### Function Diagrams
**Function \( f \):**
- **Domain of \( f \)**: {1, 2, 3, 4, 7}
- **Range of \( f \)**: {0, 1, 3, 6}
Mappings for \( f \):
- \( f(1) = 0 \)
- \( f(2) = 1 \)
- \( f(3) = 3 \)
- \( f(4) = 6 \)
- \( f(7) = 6 \)
**Function \( g \):**
- **Domain of \( g \)**: {0, 1, 4, 6}
- **Range of \( g \)**: {7, 3, 9}
Mappings for \( g \):
- \( g(0) = 7 \)
- \( g(1) = 7 \)
- \( g(4) = 3 \)
- \( g(6) = 9 \)
#### Composition \( g \circ f \)
To find the domain and range of \( g \circ f \), we need to follow the values mapped by \( f \) and then apply \( g \).
**Domain of \( g \circ f \):**
- Since \( g \circ f(x) \) is defined only when \( f(x) \) is in the domain of \( g \),
- Domain values of \( f \) (1, 2, 3, 4, 7) need to map to the domain values of \( g \) (0, 1, 4, 6) through \( f \).
**Range of \( g \circ f \):**
- Follow the mappings:
- \( f(1) = 0 \) and \( g(0) = 7 \)
- \( f(2) = 1 \) and \( g(1) = 7 \)
- \( f(3) = 3 \), and 3 is not in the domain of \( g \), so this does not contribute to the range.
- \( f(4) =](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3c2d96f8-aa37-46e6-85bf-a984b2bc389b%2Fd1c65928-d192-4298-8178-ed19d9d40c32%2Fa9646a9_processed.jpeg&w=3840&q=75)
Transcribed Image Text:### Composition of Functions: Domain and Range
In the figure below, two functions \( f \) and \( g \) are defined. We need to determine the domain and range of the composition \( g \circ f \).
#### Function Diagrams
**Function \( f \):**
- **Domain of \( f \)**: {1, 2, 3, 4, 7}
- **Range of \( f \)**: {0, 1, 3, 6}
Mappings for \( f \):
- \( f(1) = 0 \)
- \( f(2) = 1 \)
- \( f(3) = 3 \)
- \( f(4) = 6 \)
- \( f(7) = 6 \)
**Function \( g \):**
- **Domain of \( g \)**: {0, 1, 4, 6}
- **Range of \( g \)**: {7, 3, 9}
Mappings for \( g \):
- \( g(0) = 7 \)
- \( g(1) = 7 \)
- \( g(4) = 3 \)
- \( g(6) = 9 \)
#### Composition \( g \circ f \)
To find the domain and range of \( g \circ f \), we need to follow the values mapped by \( f \) and then apply \( g \).
**Domain of \( g \circ f \):**
- Since \( g \circ f(x) \) is defined only when \( f(x) \) is in the domain of \( g \),
- Domain values of \( f \) (1, 2, 3, 4, 7) need to map to the domain values of \( g \) (0, 1, 4, 6) through \( f \).
**Range of \( g \circ f \):**
- Follow the mappings:
- \( f(1) = 0 \) and \( g(0) = 7 \)
- \( f(2) = 1 \) and \( g(1) = 7 \)
- \( f(3) = 3 \), and 3 is not in the domain of \( g \), so this does not contribute to the range.
- \( f(4) =
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