Which of the following represents a function?

A.
X -10 -9 -3 -3
Y 17 15 17 16

B.
X -10 -9 -10 2
Y 17 17 23 16

C.
X -10 -9 -3 -9
Y 17 15 17 16

D.
X -10 -9 -3 2
Y 17 15 23 17

Question

Which of the following represents a function?

A. 	
X	-10	-9	-3	-3
Y	17	15	17	16

B. 	
X	-10	-9	-10	2
Y	17	17	23	16

C. 	
X	-10	-9	-3	-9
Y	17	15	17	16

D. 	
X	-10	-9	-3	2
Y	17	15	23	17

anonymous · Answer

PLEASE RESPOND A B C or D , thank you

anonymous · Answer

Hi!  This is the same as before, which does not violate the constraint that each X has to have a unique Y?

jim_thompson5910 · Answer

Notice how choices A - C have x values that repeat and these x values map to different y values. So these choices are NOT functions because of this.


So this leaves only choice D to be the answer.

anonymous · Answer

Thank you :D