Practice Definition Of A Function (1.3.1) - Sets and Functions

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6 sample questions

Question 1.
What is the domain in a function?
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Think about what you can put into a function.
Question 2.
If a function assigns 3 to input 1 and 4 to input 2, what is the function at input 1?
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Look for the relationship that function describes.
3Question 3.
What defines a function?
- A mapping with multiple outputs
- A rule assigning one output to each input
- A random collection of outputs
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Remember the one-to-one relationship that defines a function.
4Question 4.
The set of all possible inputs for a function is known as the?
- Co-domain
- Range
- Domain
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Think about the first set we discuss concerning functions.
Question 5.
Given the function f(x) = 5 - 2x, determine its range when the domain is the set of natural numbers up to 5.
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Substitute natural number values into the function.
Question 6.
Propose a function that takes any integer and describes how you would illustrate it in a graph. Include its domain restrictions.
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Visualizing with a graph can help understand the function's behavior.

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