(a)

The function is .

Apply integration formula : .

The function is .

Find .

Substitute in .

.

Graph the function where .

(b)

Find .

Substitute in .

Graph the function where .

(c)

Find .

Substitute in .

.

.

Graph the function where .

(a)

.

Graph the function where .

(b)

.

Graph the function where .

(c)

.

Graph the function where . 

.