Here's the question you clicked on:
dnance
The range of the relation {(4,3),(1,-7),(1,-3),(2,9)} is ____________. Answer {4, 1, 2} {-7, -3, 3, 9}
K so it gives you a set of coordinates. Each coordinate has an x & y value. (x,y). The range= y-values, and by using that we can see our answer is the 2nd choice :)
The first answer are the x-values, and the x-values are the domain. So for next time when it asks you this just know: Domain= x-values Range= y-values
& no prob. glad to help :)
i got harder ones for you lol
I'll be glad to help the best I can :)