**Problem : **
What is the domain of the relation
(5, 4),(2, 3),(2,-4),(4,-1),(0, 2)
?

**Problem : **
What is the domain of the relation in the following mapping diagram?

**Problem : **
What is the domain of the relation in the following graph?

**Problem : **
What is the domain of the relation in the following graph?

**Problem : **
What is the domain of each of the following functions?

a)
*f* (*x*) = 4*x* - 16

b)
*f* (*x*) =

c)
*f* (*x*) =

d)
*f* (*x*) = (*x* + 4)^{2}

e)
*f* (*x*) = - 6

b)

c)

d)

e)

**Problem : **
What is the domain of each of the following functions?

a)
*f* (*x*) =

b)
*f* (*x*) =

c)
*f* (*x*) =

d)
*f* (*x*) =

e)
*f* (*x*) =

b)

c)

d)

e)