Since the graph is a linear function, we're going to use the slope formula solve this:
Note I am replacing m with k

Inserting 2 points from the graph, let's use (1,8) and (2,16).

k=8
Answer:
A:48 B:45
Step-by-step explanation:
Answer:
18-20=-2
Step-by-step explanation:
18-20=-2
18+(-20)=-2
Answer: Yes, it is a function
Step-by-step explanation: