Question

operaciones con función hallar f(x)=x-1 y g (x) = 1 +x​

Answer 1

f+g = x-1+1+x= 2x

f-g= x-1-(1+x)=x-1-1-x= -2

f.g= (X-1)(X+1)=X^2-1

f/g= (x-1)/(x+1)

fog= f(g)= f(x+1)= (x+1)-1 = x

gof = g(f)=g(x-1)= 1+(x-1) =x

etc,