11.已知函数y=f(x)y=f(x)y=f(x)的定义域为[−8[-8[−8,1]1]1],则函数g(x)=f(2x+1)x+2g(x)=\frac{f({2x+1})}{x+2}g(x)=x+2f(2x+1)的定义域((( )))