solution:
LHS = (f + g) gracious
= (f+g)(h(x))
= f(h(x)) + g(h(x))
= foh + goh
= RHS
Once more,
LHS = (f . g) gracious
= f.g(h(x))
= f(h(x)) . g(h(x))
= (foh) . (goh)
= RHS
solution:
LHS = (f + g) gracious
= (f+g)(h(x))
= f(h(x)) + g(h(x))
= foh + goh
= RHS
Once more,
LHS = (f . g) gracious
= f.g(h(x))
= f(h(x)) . g(h(x))
= (foh) . (goh)
= RHS