Question

7. Which set of coordinates describe a function?

A {(2, 4), (2, 2), (6, 2), (2,8)
B {(7, 2), (3, 9), (3, 10), (-1, 7)}
c {(7, - 4), (3, -3), (2, -2), (7,-8)}
D {(6, 3), (-6, 4), (4,0), (1, 2)}

Answer 1

Explanation:

The last one D

As a function has a unique domain or unique element hence the option D is a function and its a one one function why? Because a one one function has unique image or range...