4.6 - Formalizing Relations and Functions
Presentation
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Mathematics
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9th Grade
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Practice Problem
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Medium
Steve Dull
Used 2+ times
FREE Resource
9 Slides • 2 Questions
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To determine whether a relation is a function
To find domain and range and use function notation
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A relation is a pairing of numbers in one set, called the domain, with numbers in another set, called the range. A relation is often represented as a set of ordered pairs (x, y). In that case the domain is the set of x-values and the range is the set of y-values.
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A function is a special type of relation in which each value in the domain is paired with exactly one value in the range.
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Open Ended
Identify the domain and range of the relation {(6,5),(4,3),(6,4),(5,8)}
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Multiple Choice
Is the relation a function? Use the vertical line test.
Yes it is a function because it passes the vertical line test.
Yes it is a function because it fails the vertical line test.
No it is not a function because it passes the vertical line test.
No it is not a function because it fails the vertical line test.
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The function w(x)=250x represents the number of words w(x)you can read in x minutes. How many words can you read in 8 min?
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Complete the 4.6 notes and practice problems.
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