Answer:
2w + 2
Step-by-step explanation:
Width = w
Twice its width = 2*w =2w
2 inches more than twice its width = 2w + 2
Length = 2w + 2
The rate of change is 500.
In standard form it would be y= 5x - 4
38.9 is the answer. because it is rounded to the nearest tenth.