The answer is A because X can’t have the same numbers for it to be a function.
The second option
hope this helps<3
Answer:

Step-by-step explanation:
Equation of straight line in slope intercept form is given as
-------- (1)
Here
and 
----------- (2)
Comparing (1) and (2)
m=-3 and b=-2
Equation (2) is equation of straight line with slope -3 and y-intercept -2 in slope intercept form
No, because 3/8=30/80 and 4/10=32/80.