Dikt. f(x)= xpang2+x dan g(x)=2/x+3 Tent: (gof) (1)

dik :
f(x) = x^2+x
g(x) = 2/x+3

dit : gof(1)?

jawab :
gof (x)
= g(f(x)
= g(x^2+x)
= 2/(x^2+x)+3

= gof(1)
= 2/(1)^2+1+3
= 2/5

semoga bisa membantu..