Question

HE LP !! !!

Which of the following is the domain of the function { (3,6) , (5,7) , (7,7) , (8,9) } ?

A) {3,5,7,8}
B) {6,7,9}
C) { (6,3) , (7,5) , (7,7) , (9,8) }
D) {1,3,5,7,9}

Answer 1

The domain is the first number in every ordered pair. Think you can tell me the answer?

Answer 2

Hint:
Example, for the relation {(1,3),(2,5),(4,9),(6,5)}
the domain is {1,2,4,6}, and the range is {3,5,9}
notice that there are no repetition of elements in sets.

Answer 3

A ?

Answer 4

correct

Answer 5

good job