Two dimensional: it cannot be one or zero dimensional and a three dimensional point is called a vector
Answer:
It's a function because when you simplify it becomes y=-x-3. the only reason it wouldn't be a function would be if the equation were to be x = a random number that is not a variable. The equation would not pass the vertical line test which is the requirement to see if an equation is a function.
Simply put, it's a function.
The answer to this question is: B;5i
Answer:

Step-by-step explanation: