Question

A function is defined as {(0,1)(2,3)(5,8)(7,2)}. Issac is tasked to create one more ordered pair for the function. Which ordered pair can he add the set to keep it a function.

A. (7,0)
B. (1,3)
C. (0,2)
D. (5,3)

Please help! I'm really confused. :(

Answer 1

all you have to do is make sure that there are not two points with the same x-value.
B is the only choice whose x-value is not already used.

Answer 2

Answer is B.(1,3)