Question

Which relation shown is not a function?
{14, 15) (5.7) (3,10) (11,1) (3,8)
{1.1) (2,2) (3,3) (4,4) (5,4)
{14,15) (5,7) (3,10) (11,1) (6,10)
{14,15) (5,15) (3,15) (11,15) (5,15)

Answer 1

a function will not have repeating x values...they can have repeating y values, just not the x ones.

So, which one is NOT a function...which one HAS repeating x values ?

Answer 2

well the last one has to 5 on the x value

Answer 3

correct....it has 5 twice...it is repeating, so it is not a function

Answer 4

ok thank you :)

Answer 5

sure thing :)