Question

Determine whether the relation in the table below is a function, and if so, write a function rule.
x
y
-1
-2
0
0
2
4
3
6
Answer

yes; f(x) = x – 1

yes: f(x) = 2x

yes; f(x) = x + 2

not a function

Answer 1

@yummydum

Answer 2

@tkhunny

Answer 3

@yummydum B.

Answer 4

you really need to stop guessing...

Answer 5

Tough to tell what your notation means:

x
y
-1
-2
0
0
2
4
3
6

Do you mean these points (-1,-2), (0,0), (2,4), (3,6)?

Answer 6

is it (-1,-2) (0,0) (2,4) (3,6)
if so then it is a function: y=2x