Question

Is the following relation a function?
{(0.3,0.6), (0.4,0.8), (0.3,0.7), (0.5,0.5)}

Answer 1

@Data_LG2

Answer 2

Do you see any points that have the same x value?

Answer 3

yess

Answer 4

which points?

Answer 5

all of them

Answer 6

ok pick a pair of points that have the same x value

Answer 7

remember, every point is of the form (x,y)

x is the first number
y is the second number

Answer 8

example

(2,3) means x = 2, y = 3

Answer 9

how do i do that

Answer 10

ok

Answer 11

so is this a function?

Answer 12

looking at the point (0.3,0.6)

what is x?
what is y?

Answer 13

0 is x and 3,6 are y

Answer 14

no

Answer 15

ohhh