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kayser
 4 years ago
Which of the following represents a relation that is NOT a function?
A.
X 8 4 6 11
Y 26 24 32 26
B.
X 6 4 11 8
Y 26 24 32 26
C.
X 8 4 8 4
Y 26 24 32 26
D.
X 8 4 2 4
Y 26 24 32 26
kayser
 4 years ago
Which of the following represents a relation that is NOT a function? A. X 8 4 6 11 Y 26 24 32 26 B. X 6 4 11 8 Y 26 24 32 26 C. X 8 4 8 4 Y 26 24 32 26 D. X 8 4 2 4 Y 26 24 32 26

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jim_thompson5910
 4 years ago
Best ResponseYou've already chosen the best response.2It's actually choice C 8 maps to both 26 and 32 at the same time

ktklown
 4 years ago
Best ResponseYou've already chosen the best response.0Something is a function if you can always answer the question "For a given X, what's the value of Y"? (1, 2) (3, 2) > What's the value if x=1? It's 2. What's the value if x=3? It's 2. Since you can always answer the question, it's a function. (1, 8) (1, 9) > What's the value if x=1? You don't know. it could be either 8 or 9. Therefore it's not a function.
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