If it is not an integer, it would have to be a decimal.
Answer:y=-2x+6
Step-by-step explanation: Write in Slope-Intercept form, y=mx+b.
Hope this helps you out! ☺
For this case we have the following functions:

We have to:
is given by:

Thus, the correct option is the option is A.
On the other hand,

Thus, the correct option is the option is A.
We also have:

Thus, the correct option is the option is B.
Last we have:

Thus, the correct option is the option is C.
ANswer:
Option A, A, B, C