Question

For each relation, give the domain and range and state if it is a function.
{(3, 5) (4, -2) (6, 9)}

Answer 1

domain is first numbers
range is second
since the first numbers do not repeat, it is a function

Answer 2

so domain is )3,5)
range is (4,-2)

Answer 3

oh no
domain is all the first number
\[\{3,4,6\}\]

Answer 4

kay gotcha thank you!

Answer 5

what if the range #'s are the same