2. Let f and 9 be differentiable at 2 and 3 with 1'(2) =

a, f'(3) =

b, g'(2) = c, and g'(3) =

d. If f(2) = 1, f(3) = 2, g(2) = 3, and g(3) = 4, evaluate each of the following derivatives.

(a) (fg)'(2).

(b) (f /g)'(3).

(c) (gof)'(3).

(d) (f 0 g)'(2).