Answer:
yes
Step-by-step explanation:
Answer: [0,3]
The line is going up from left to right between 0 and 3 on the x-axis. We use a closed bracket because it is a open circle.
Just a shot in the dark: 9*30 and 9*8?
Answer:
If the price is increasing or decreasing
Step-by-step explanation:
The slope is a visual representation of the cost over time.