tentujan fungsi(f°g)(x)dan (g°f)(x)dari fungsi f(x)=√x-3 dan g(x)=5xpangkat 2 +4

langsung aja y

(fog)(x) = f{g(x)}

= √g(x) - 3

= √5x²+4-3

= √5x²+1

(gof)(x) = g{f(x)}

= 5f(x)²+4
= 5(√x-3)² + 4
= 5(x-3) + 4
= 5x - 15 + 4
= 5x - 11

semoga berguna +_+