Problem 2.1: What is the domain of the relation (5, 4),(2, 3),(2,-4),(4,-1),(0, 2)? [Solution]

Problem 2.2: What is the domain of the relation in the following mapping diagram?
[Solution]

Problem 2.3: What is the domain of the relation in the following graph?
[Solution]

Problem 2.4: What is the domain of the relation in the following graph?
[Solution]

Problem 2.5: What is the domain of each of the following functions?
a) f (x) = 4x - 16
b) f (x) =

c) f (x) =

d) f (x) = (x + 4)²
e) f (x) =

- 6 [Solution]

Problem 2.6: 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) =

[Solution]