SOLUTION: the perimeter of a rectangle is 230 meters. Express is the area A as a function of the Length L, and state the domain of this function

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Question 364922: the perimeter of a rectangle is 230 meters. Express is the area A as a function of the Length L, and state the domain of this function
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
P=2L%2B2W=230
L%2BW=115
A=L%2AW
But from above,
W=115-L
A=L%28115-L%29
Since the area cannot be less than or equal to zero.
L%3C115 and L%3E0
0%3CL%3C115