Question

Look at this table:

x y
–14 19
17 –19
12 13
20 7

Is this relation a function?

Answer 1

Do you know how to determine if it's a function or not?

Answer 2

Not exactly

Answer 3

Oh well.

@jhonyy9.

Answer 4

What?

Answer 5

i tagged sum1

Answer 6

anyways he's not coming so the way you do it is find if any of the x values repeat.

Answer 7

If they do repeat thne it isnt a function

Answer 8

then*

Answer 9

thx

Answer 10

np idk if it's right tho i havent done this in a long time

Answer 11

@jhonyy9 can you help?

Answer 12

With what?

Answer 13

Checking to make sure it's right.

Answer 14

It's correct. thx

Answer 15

oh k np

Answer 16

y = f(x) = ?

Answer 17

x y
–14 19
17 –19
12 13
20 7


f(-14)=19
f(17)=-19
f(12)=13
f(20)=7


Functions are relations that have only one output for any unique input.
To tell whether a graphed relation defines a function, you can use the vertical line test.

Answer 18

A relation from a set X to a set Y is called a function if each element of X is related to exactly one element in Y.

Answer 19

hope these above wrote help you