The domain of f(x) is all real numbers & satisfies f(x+1)=2f(x).
For [tex] \sf x \in(0,1],[/tex] f(x)=x(x+1). For value [tex]\sf x \in( - \infty ,m],[/tex] f(x)[tex] \geq \dfrac{ - 8}{9}. [/tex] What is the value of m?​