When you raise a negative integer (in this case -1) to an even integer (30), the end result will be positive (1), but when you raise it to an odd integer (31), the end result will be negative (-1). The sign of the product fluctuates between positive and negative depending on the type of integer it’s raised to.


Hope you could understand.
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Answer:
perimeter above side length four times
Step-by-step explanation:
we know that
The perimeter of a square is equal to

where
b is the length side of the square
Solve the formula by b
That means----> isolate the variable b
Divide by 4 both sides

we have

substitute

Rewrite the expression 

so
perimeter above side length four times
The equation on the graph is shown (I really hope this helps)