Which of the following relations is a function?
Choose one answer.
a. B = {(1,3), (1,5), (1,10)}
b. C = {(3,4), (3,5)}
c. D = {(5,1), (4,2), (5,2)}
d. A = {(1,4), (2,5), (4,7)}

Question

Which of the following relations is a function?
Choose one answer.
	a. B = {(1,3), (1,5), (1,10)} 	
	b. C = {(3,4), (3,5)} 	
	c. D = {(5,1), (4,2), (5,2)} 	
	d. A = {(1,4), (2,5), (4,7)}

ivettef365 · Answer

to be a function the x value can NOT be the same, so which one you think it is

helder_edwin · Answer

right, u cannot have pairs like (a,b) and (a,c) with b and c different.
so, for instance, C is not a function.

anonymous · Answer

Ahh so it would be d. because the x values are 1, 2, and 4?

ivettef365 · Answer

correct

anonymous · Answer

Thank you!!

ivettef365 · Answer

yw :)