Example 2


Example 2

Functions f and g are defined by f : x x 1   and g : x 3 x x + 4  .  Find
(a) the value of gf(3),
(b) the value of fg(-1 ),
(c) the composite functions fg,
(d) the composite functions gf,
(e) the composite functions g²,
(f) the composite functions f².