algebra
posted by genny .
Part A: Give the domain and range of the relation.
Part B: Tell whether the relation is a function.
X Y
8 8
6 6
4 4
2 6
0 8

domain is 0 to 8
range is 4 to 8
There is one and only one value of y for each value of x so it is a function.
HOWEVER the inverse of this function is NOT a function
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