I assume that the length of the rectangle is 8 inch more than width .
Answer:
379/47
Step-by-step explanation:
1. Simplify
2. Reduce fraction to lowest terms
1 is the greatest common divisor of 3 and 47. The result can't be further reduced.
3. Convert mixed number to improper fraction
Answer:


The interval notation is: 
Step-by-step explanation:



Domain: (infinity, 4]
range: [-6, infinity)