Question

срочноо,даю 35 баллов

Answer 1

$f(x)=4x\; \; ,\; \; g(x)=x+2\\\\f\Big (\underline {g(x)}\Big )=4\cdot \underline {g(x)}=4\cdot (x+2)=4x+8$

Answer 2

$\left\{\begin{matrix}f(x)=4x & \\ g(x)=x+2 & \end{matrix}\right.\Rightarrow (f\circ g)(x)=4(x+2)=4x+8$