Question

Is the following relation a function?
{(0, 5), (3, 8), (5, 9), (7, 9)}

Answer 1

keep in mind that a function has NO X-REPEATS

Answer 2

Function?

Answer 3

{(0, 5), (3, 8), (5, 9), (7, 9)}
x y x y x y x y

recall that in an ordered pair, the 1st value is the "x", the 2nd one is the "y"

Answer 4

so its function :D

Answer 5

yeap

Answer 6

thank you

Answer 7

yw