Question

Determine whether the following is a function. If not, explain why.
{(-2, 4), (1, 7), (2, 5), (-2, 8)}


yes

no; There is the same domain value for each y value.

no; There is more than one y value for each x value.

no; There is not more than one y value for each x value.

Answer 1

Since x = -2 maps to both y = 4 and y = 8, this means that the given relation is NOT a function.

Answer 2

Keep in mind that each x must map to only EXACTLY ONE y value.

Answer 3

for it to be a function

Answer 4

is it the last one then

Answer 5

There is not more than one y value for each x value

is false since there is more than one y value for each x value

Answer 6

what does domain value mean?

Answer 7

the domain is the set of allowed inputs or x values

Answer 8

so that means it cant be that either correct?

Answer 9

well it's not a function, so the first part is "no"

the reason should be "there is more than one output for SOME x values" (and not all x values)

Answer 10

are you sain that the options above dont work?

Answer 11

no, none of them truly fit


the closest is "no; There is more than one y value for each x value"

But it's only for SOME and not ALL x values given above

Answer 12

yea i thought the same thing....

Answer 13

thanks tho man <3