Question

Which set below is the domain of {(2, -3), (-1,0), (0, 4), (-1, 5), (4, -2)}?

Answer 1

Answer:

D

Step-by-step explanation:

We have the set:

$\{(2, -3), (-1,0), (0, 4), (-1, 5), (4, -2)\}$

Remember that the domain for a set of values is simply the input values.

In other words, our domain will be all of our x-coordinates.

We can see that our x-coordinates are: 2, -1, 0, -1, and 4.

So, our domain is:

$\{2, -1, 0, 4\}$

Note that we only write need to write the -1 once.

So, our answer is D.

And we're done!