Respuesta :
f(x)=9-x
h(x)=x-2
h of f(x) means h is function of function x put f(x) value in place of x in h(x)
h(f(x))=(9-x)-2
h(f(x))=7-x
h(x)=x-2
h of f(x) means h is function of function x put f(x) value in place of x in h(x)
h(f(x))=(9-x)-2
h(f(x))=7-x