No it is not a function because the x coordinate 0 has 2 y coordinates which is 4 and 5. a function means each x coordinate can only have one y coordinate
Answer: Substitution
Step-by-step explanation:
Because you know A is equal to B, you can substitute A for B in any mathematical equation. Essentially, you are switching mA $ mB.
The product to your problem is 3.5
3/4 or 0.75 hope this helps :)