Determine which set of ordered pairs is a function.

A.

{(–1, 3), (1, 4), (–1, 5)}

B.

{(5, 3), (–6, 3), (–2, 4)}

C.

{(0.5, 1.6), (1, 1.75), (1.5, 2.3), (0.5, 3.6)}

D.

{(1, 2), (–5, 4), (3, 6), (–5, 2)}

Question

Determine which set of ordered pairs is a function.




A. 

{(–1, 3), (1, 4), (–1, 5)} 


B. 

{(5, 3), (–6, 3), (–2, 4)} 


C. 

{(0.5, 1.6), (1, 1.75), (1.5, 2.3), (0.5, 3.6)} 


D. 

{(1, 2), (–5, 4), (3, 6), (–5, 2)}

anonymous · Answer

@makayla_finkbeiner_

apoorvk · Answer

Suppose there are many points (x,y).
Then a set, where there are NO two values of 'y' for the same 'x', is a function.

anonymous · Answer

I believe its either A or C, because the definition of function requires that for each value of x there should be a unique value of y.

anonymous · Answer

thx