The vertex is the highest or lowest point on the graph, and in the photo the point (1,3) is the maximum height on the graph making it the vertex.
So the answer is a. maximum.
Hope this helped! If it didn't, please tell me what went wrong so I can fix it.
Answer:
The GCF is 15.
Step-by-step explanation:
Answer: where are you looking for it?
Step-by-step explanation: