Which of the following are functions

A. [ (-2,3) ], [ (-1,5) ], [ (0,7) ], [ (1,9) ]

B. [ (-3,3) ], [ (3,3) ], [ (0,0) ], [ (1,1) ], [ (-1,1) ]

C. [ (-2,5) ], [ (-1,4) ], [ (0,3) ], [ (-1,2) ], [ (-2,1) ]

Question

Mathematics

Emiliano Cross

9 February, 03:10

Which of the following are functions

A. [ (-2,3) ], [ (-1,5) ], [ (0,7) ], [ (1,9) ]

B. [ (-3,3) ], [ (3,3) ], [ (0,0) ], [ (1,1) ], [ (-1,1) ]

C. [ (-2,5) ], [ (-1,4) ], [ (0,3) ], [ (-1,2) ], [ (-2,1) ]

+1

Answers (1)

Know the Answer?

Dario Ramirez · Answer 1

The correct answer is A and B.

Both A and B represent functions, as the same x value is not used twice.

However, with option C, the x value - 2 is used twice, and thus it is not a function.

Which of the following are functionsA. [ (-2,3) ], [ (-1,5) ], [ (0,7) ], [ (1,9) ]B. [ (-3,3) ], [ (3,3) ], [ (0,0) ], [ (1,1) ], [ (-1,1) ]C. [ (-2,5) ], [ (-1,4) ], [ (0,3) ], [ (-1,2) ], [ (-2,1) ]

Which of the following are functions

A. [ (-2,3) ], [ (-1,5) ], [ (0,7) ], [ (1,9) ]

B. [ (-3,3) ], [ (3,3) ], [ (0,0) ], [ (1,1) ], [ (-1,1) ]

C. [ (-2,5) ], [ (-1,4) ], [ (0,3) ], [ (-1,2) ], [ (-2,1) ]