Practice Introduction (1.1) - Sets and Functions

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10 questions

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6 sample questions

Question 1.
What is a set?
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Think about examples from daily life.
Question 2.
Give an example of a function.
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Recall how functions relate inputs to outputs.
3Question 3.
What is a set?
- A collection of elements
- A type of function
- An equation
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Think about your definition of a group of things.
4Question 4.
True or False: A function can have multiple outputs for a single input.
- True
- False
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Consider how functions work mathematically.
Question 5.
Create a set that includes all the odd numbers from 1 to 20. Then, define a function that takes each element of this set and multiplies it by 2. What is the resulting set?
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Think about what happens when you multiply each number by 2.
Question 6.
Consider a function f(x) defined as f(x) = x^3 - 2. Identify the domain and range of this function if x is a real number.
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What values can x take, and how does f(x) behave?

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