Question 144474This question is from textbook Beginning Algebra
: Ok I am stumped...
Page 455
Number 14
I have to find the domain and range of the relation and then determine whether the relation is a function...
{(85,3),(95,11),(110,15),(110,20)}
This question is from textbook Beginning Algebra
Answer by vleith(2983)   (Show Source):
You can put this solution on YOUR website! The domain is the collection of all the x coordinates (85, 95, 110, 110)
The range is the collection of all the y coordinates (3, 11, 15, 20)
The given points are NOT a function since at least one point in the domain maps to two different points in the range. If I give you an x = 100, it is mapped to both 15 and 20. A function maps a single value x to a single value y
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