The side of a square is sss. Which function represents the area A(s)A(s)A(s)?
A(s)=4sA(s) = 4sA(s)=4s
A(s)=s2A(s) = s^2A(s)=s2
A(s)=2sA(s) = 2sA(s)=2s
A(s)=sA(s) = sA(s)=s