SOLUTION: A rectangle has perimeter 18m. Express the area of the rectangle as a fundtion A(l)of the length l of one of its sides.

SOLUTION: A rectangle has perimeter 18m. Express the area of the rectangle as a fundtion A(l)of the length l of one of its sides.

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Question 176865: A rectangle has perimeter 18m. Express the area of the rectangle as a fundtion A(l)of the length l of one of its sides.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Rectangle's perimeter
1.
Rectangle's area
2.
Use eq. 1 to get W as a function of L.
1.

Substitute that expression into eq. 2,
2.

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