Give the Domain and Range of the relation
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Give the Domain and Range of the relation

[From: ] [author: ] [Date: 11-05-16] [Hit: ]
3,4,5}. The range is the set of second entries=(1,2,3,......
1. { (2,1), (3, 2), (4, 3), (5, 4) }

2. Find f(-1) for the function f(x) = 4x + 5

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The domain is the set of first entries={2,3,4,5}. The range is the set of second entries=(1,2,3,4), where {} denotes a set.

f(-1)=4*(-1)+5=-4+5=1.

These are very basic ideas.
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