[roma8]

Find each of the following functions and their domains.
f(x) = 1 - 4x
g(x) = cos(x)

المطلوب(c) f f =





المسأله التانيه هيا f(x) = x2 - 2
g(x) = 2x - 2

المطلوب (a) f g
(b) g f
(c) f f
(d) g g