1. 4
2. 12
3. 6
4. 18
5. 2
6. 4
7. 7
8. 15
9. 9
Answer:

Step-by-step explanation:
We have a similarity of triangles. Once the side BC and ED are parallel,


Once 




Answer:
Step-by-step explanation:
Answer:
The equation is not a function.
Step-by-step explanation:
We are given that


Function: It is mapping between the values of two sets A and B.
Each element of A has unique value in set B.
By definition of function
In given function
y has no unique value for each value of x.
Substitute x=0

Hence, it is not a function.
The answer would be the first one, 2s+6.