Question

Need help.Will medal question in bottom

Answer 1

notice the (x,y) ordered pairs
the one has does NOT HAVE an X-REPEAT, is a function
let's check say the 1st set

\(\bf A\ \{(-3,2), ({\color{brown}{ -1}},3), ({\color{brown}{ -1}},2),(0,4),(1,1)\}\)
notice, is has one X-REPEAT, thus is not a function

Answer 2

O I get it now is it like the xs are the same it is not a function?

Answer 3

yeap, the x"s have to be unique, without any repeats

Answer 4

B c and d dont have repeats doe

Answer 5

nvm they do

Answer 6

:)

Answer 7

^.^

Answer 8

b) has repeats of 0
c) same as above
d) has no x-repeats

Answer 9

:D I got it :DDDDDDDDDDDDDD

Answer 10

is in ur debt for a long time

Answer 11

yw