а) f(x)=1-x; g(x)=x^2f(g(x))=f(x^2)=1-x^2g(f(x))=g(1-x)=(1-x)^2б) f(x)=1/(x+3); g(x)=4xf(g(x))=f(4x) = 1/(4x+3)g(f(x))=g(1/(x+3)) = 4/(x+3)
а) f(x)=1-x; g(x)=x^2
f(g(x))=f(x^2)=1-x^2
g(f(x))=g(1-x)=(1-x)^2
б) f(x)=1/(x+3); g(x)=4x
f(g(x))=f(4x) = 1/(4x+3)
g(f(x))=g(1/(x+3)) = 4/(x+3)