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Math help?
Which of the following represents a relation that is not a function?
A.
x -10 -6 -10 1
y 32 30 38 32
B.
x -10 -6 0 1
y 32 30 38 32
C.
x -10 -6 8 12
y 32 30 38 32
D.
x 8 -6 12 -10
y 32 30 38 32
2 Answers
- Randy PLv 75 years agoFavorite Answer
It's not a function if there is an x value that corresponds to two different y values.
Look at the list of x values.
Any duplicates?
If there are duplicates, are there different values of y for them?
If the answer is "yes", it's not a function. Otherwise, it is a function.