1) f(u)=u², u(x)=2x-1
y=f(u(x))=(2х-1)²
2) f(u)=2u-1, u(x)=x²
y=f(u(x))=2х²-1
3) f(u)=√u, u(x)=x-4
y=f(u(x))=√(х-4)
1) f(u)=u², u(x)=2x-1
y=f(u(x))=(2х-1)²
2) f(u)=2u-1, u(x)=x²
y=f(u(x))=2х²-1
3) f(u)=√u, u(x)=x-4
y=f(u(x))=√(х-4)