Functions, Domains, and Ranges: Understanding the Basics

Interactive Video
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Mathematics, Information Technology (IT), Architecture
•
University
•
Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main characteristic of a one-to-one function?
Each output is related to exactly one input.
Each input is related to multiple outputs.
Each input is related to exactly one output.
Each output is related to multiple inputs.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the quadratic function example, what type of function is demonstrated?
One-to-one function
Many-to-one function
One-to-many function
None of the above
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the range of the quadratic function discussed in the video?
fx is greater or equal to -12.25
fx is greater or equal to -10
fx is greater or equal to 0
fx is greater or equal to -3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the mapping x goes to plus or minus root of x not considered a function?
It is a many-to-one mapping.
It has no range.
It is a one-to-many mapping.
It has no domain.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can a one-to-many mapping be modified to become a function?
By changing the domain to all real numbers.
By adding a minus sign.
By removing a minus sign.
By changing the range to all real numbers.
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