acalvario2019
acalvario2019
01.08.2021 • 
Mathematics

Find a formula for the described function. A rectangle has perimeter 8 m. Express the area A (in m2) of the rectangle as a function of the length, L, of one of its sides.
i know that
A(L)= 4l-l^2 m^2
but i dont know what the domain is

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