f(x)=5x-2. g(x)=xkuadrat+6. . h(x)=-xkuadrat. . ditanya(f•g•h)(x)=

(fogoh)(x)=fog(h(x))
=fog(-x²)
=f(g(-x²))
=f((-x²)²+6)
=f(-x^4+6)
=5(-x^4+6)-2
=-5x^4+30-2
=-5x^4+28