Question

Write the set below in roster form and in set-builder notation. P is the set of natural numbers that are less than 4. Express the set P in roster form. p = Use ascending order.)

Answer 1

In roster form, the set P can be written as:

P = {1, 2, 3}

In set-builder notation, the set P can be written as:

P = {x | x is a natural number and x < 4}