Answer:
Exponential
Step-by-step explanation:
Answer: 
Step-by-step explanation:
1. To solve this problem you can find the amount of fencing of one of the rectangles and then you must multplied it by 4. Then:
-Amount of fencing of a rectangle:

- Multiply the expression obtained by 4 (because it is divided into 4 rectangles of equal dimension), then:
