Question

f(x) x^+2 e g(c)=x-3
Fog
gof
fof
gog

Answer 1

==> cálculo para: f(x)=x²+2 e g(x)=x-3

Fog = g² +2 =(x-3)² +2= x² -6x +11

gof = f -3 = x²+2 -3 = x² -1

fof = f² +2 = (x²+2)² +2 = x⁴+8x²+6

gog = g -3 = (x-3) -3 = x-6