Domain and Range

Flashcard
•
Mathematics
•
8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the definition of Domain in mathematics?
Back
The set of all possible input values (x-values) for a function.
2.
FLASHCARD QUESTION
Front
What is the definition of Range in mathematics?
Back
The set of all possible output values (y-values) for a function.
Tags
CCSS.8.F.A.1
CCSS.HSF.IF.A.1
3.
FLASHCARD QUESTION
Front
What does the vertical line test determine?
Back
It determines if a graph represents a function; if a vertical line intersects the graph at more than one point, it is not a function.
4.
FLASHCARD QUESTION
Front
If a function has a domain of -4 ≤ x ≤ 3, what does this mean?
Back
It means that the input values (x-values) can range from -4 to 3, inclusive.
Tags
CCSS.8.F.A.1
CCSS.HSF.IF.A.1
5.
FLASHCARD QUESTION
Front
If a function has a range of -8 ≤ y ≤ 2, what does this mean?
Back
It means that the output values (y-values) can range from -8 to 2, inclusive.
6.
FLASHCARD QUESTION
Front
What is an example of a function that does not pass the vertical line test?
Back
A circle, as a vertical line can intersect it at two points.
7.
FLASHCARD QUESTION
Front
What is the domain of the function f(x) = √(x-1)?
Back
The domain is x ≥ 1, since the expression under the square root must be non-negative.
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