In problem, for the given functions and g, find the following. For parts (a)–(d), also find the domain.

(a) (f + g) (x)

(b) (f – g) (x)

(c) (f ∙ g)(x)

(d) (f/g) (x)

(e) (f + g)(3)

(f) (f - g) (4)

(g) (f ∙ g) (2)

(h) (f/g) (1)

f(x) = √x + 1; g(x) = 2/x