Answer:
Step-by-step explanation:

Answer:
domain = all real numbers
Step-by-step explanation:
domain is the x axis
its asking what it goes to but if they have arrows then forever
Answer: C
Step-by-step explanation:
On the left side, there are 2 triangles and 6 2's, so this equals 2x+12.
On the right side, there are 4 triangles and 2 2's, so this equals 4x+4.
Meaning 2x+12=4x+4.
12=2x+4
2x=8.