Question

The domain of the following relation: R: {(6, −2), (1, 2), (−3, −4), (−3, 2)} is

{−3, −3, 1, 6}

{−4, −2, 2, 2}

{−4, −2, 2}

{−3, 1, 6}

i dont understnd this at all

Answer 1

Hint:

Domain = set of possible inputs

input = set of x values

So this means

Domain = set of possible x values

Answer 2

plz help

Answer 3

Also, whenever you're dealing with a set, you toss out any duplicates

Answer 4

so 6,1,-3

Answer 5

It's the set of numbers which occur first in the ordered pairs. Look at them, list the numbers. One of them is 6. Remember a set doesn't have repeats, you only list each element once.

Answer 6

so the first number in each set except duplicates

Answer 7

that is correct

Answer 8

thanks
guys