(a)

The composite function is .

Definition of composite  function : .

From the table : .

From the table : .

.

(b)

The composite function is .

From the table : .

From the table : .

.

(c)

The composite function is .

From the table : .

From the table : .

.

(d)

The composite function is .

From the table : .

From the table : .

.

(e)

The composite function is .

From the table : .

From the table : .

.

(f)

The composite function is .

From the table : .

From the table .

.

(a)  .

(b)  .

(c)  .

(d)  .

(e)  .

(f)  .