Question

F komposisi g (x)=3-2x
f(x)=x''-x+4
dit.
g(x) ?

g komposisi f (x) =x''-10x+4
g(x)=x''-2x
dit.
f(x) ???

thanks. :D

Answer 1

1) fog (x) = 3- 2x
f (x)= x"-x+4
f(g(x)) = 3-2x
g(x)"-g(x) +4= 3-2x
g(x) (x-1) = 3-2x-4
g(x) (x-1) =-2x-1
g(x) = -2x-1/ x-1