1500
600 per hour
It starts at 1500 and then after one hour
It go up to 2,100 then 2700
To find the gradient you do change in y/change in x so...
-12 - 0
————- = -12/4 = -3
0 - - 4
Hope this helps! Any questions let me know :)
Answer:
10
Step-by-step explanation: