Amar rakes leaves for his neighbors to eam money. He eamed 64 dollars after
8 hours of work.

Good for Amar but what’s the question

Step-by-step explanation:

maximum area is 9 square units

Step-by-step explanation:

area equation is

find the derivative of the area equation and equate to 0

take the derivative and  equate to 0

Use this x value to evaluate the function  

= -(3-3)^2 +9

=0+9

=9 square units (this is the maximum area)