Which relation is not a function

A.) { (4,5), (-2,3), 0,-9), (2,4) }

B.) { (-1,2), (0,5), (-1,0), (2,-2) }

C.) { (6,7), (8,9), (-3,6), (3,4) }

D.) { (2,4), (1,3), (9,5), (4,7) }

Question

Mathematics

Beans

3 August, 12:05

Which relation is not a function

A.) { (4,5), (-2,3), 0,-9), (2,4) }

B.) { (-1,2), (0,5), (-1,0), (2,-2) }

C.) { (6,7), (8,9), (-3,6), (3,4) }

D.) { (2,4), (1,3), (9,5), (4,7) }

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Answers (1)

Know the Answer?

Cookie Dough · Answer 1

By definition a function can have only one value of y for any given value of x.

Since B. contains both (-1,2) and (-1,0), y has two values for the same value of x and thus B. cannot be a function ...

Which relation is not a functionA.) { (4,5), (-2,3), 0,-9), (2,4) }B.) { (-1,2), (0,5), (-1,0), (2,-2) }C.) { (6,7), (8,9), (-3,6), (3,4) }D.) { (2,4), (1,3), (9,5), (4,7) }

Which relation is not a function

A.) { (4,5), (-2,3), 0,-9), (2,4) }

B.) { (-1,2), (0,5), (-1,0), (2,-2) }

C.) { (6,7), (8,9), (-3,6), (3,4) }

D.) { (2,4), (1,3), (9,5), (4,7) }