SOLUTION: identify the domain and range of the functions use a mapping diagram to determine whether the relation is a function {(-3,-3, (0,3,) (-5,-7,) (2,7,) (1,5)}

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Question 1193736: identify the domain and range of the functions use a mapping diagram to determine whether the relation is a function {(-3,-3, (0,3,) (-5,-7,) (2,7,) (1,5)}
Answer by MathLover1(20850) About Me  (Show Source):
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given: {(-3,-3, (0,3,) (-5,-7,) (2,7,) (1,5)}
A function is a set of ordered pairs in which no two different ordered pairs have the same x -coordinate.
domain: {-5,-3,0,1,2}
range: {-7,-3,5,5,7}
a mapping diagram:
input-----------output
-5+---------------->-7
-3 ---------------->-3
0 ---------------->3
1 ---------------->5
2 ---------------->7

the relation is a function