Answer:
Step-by-step explanation:
The endpoint of the graph is the midpoint between 2 and 4, so it is 3.
This point is included since indicated as full circle.
<u>The graph includes the line to the left of 3:</u>
Answer:
Final answer is 
Step-by-step explanation:
Given functions are
and 
Now we need to add both functions:




combine like terms -2 and +2

Hence final answer is 
Answer:

Step-by-step explanation:


