Question

A sequence may be defined as a ______.

Options

• Relation, whose range ⊆ N (natural numbers)

• Function whose range ⊆ N

• Function whose domain ⊆ N

• Progression having real values

Answer 1

A sequence may be defined as a function whose domain ⊆ N.

Explanation:

A sequence is a function f: N → X having domain ⊆ N