Ask Question
9 December, 17:43

Select the correct answer.

Which relation is a function?

A.

x y

4 - 2

5 - 3

6 - 2

7 - 3

B.

x y

3 10

2 20

3 30

4 40

C.

x y

-5 2

-5 3

-10 4

-10 5

D.

x y

10 15

20 25

8 30

20 35

Reset Next

Introduction to Functions: Mastery Test

+1
Answers (1)
  1. 9 December, 18:02
    0
    The correct choice is A.

    Step-by-step explanation:

    The relation which is a function is the one in which none of the first coordinates repeated.

    A.

    x y

    4 - 2

    5 - 3

    6 - 2

    7 - 3

    We can see that none of the first coordinates repeated in this relation.

    Its graph will pass the vertical line test.

    It is a function.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Select the correct answer. Which relation is a function? A. x y 4 - 2 5 - 3 6 - 2 7 - 3 B. x y 3 10 2 20 3 30 4 40 C. x y -5 2 -5 3 -10 4 ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers