Posted by daniel's mom on .
INPUT X Output Y
1 1
2 2
3 3
write a rule for the function table
to many years for this mommy to help can someone help me explain this

math 3rd grade 
Ms. Sue,
The output is the same as the input.

math 3rd grade 
daniel's mom,
that is the answer please see the one above my son answered.

math 3rd grade 
Reiny,
If that is just a dash between the numbers, then Ms Sue is correct.
if it is a negative sign, then
y = x 
math 3rd grade 
daniel's mom,
it is a negative sign please explain