Use the listing method to write the following set. {x | x n, x < 3} {1, 2, 3} {0, 1, 2, 3} {1, 2}

{1, 2}

Step-by-step explanation:

Hello there!

The following set

{x | x ∈ N, x < 3}

means: all x given that x is a natural number and x is less than 3.

Natural numbers are: 1, 2, 3, 4, 5, et cetera. 3 is not less than 3, so the list is: {1, 2}

the number of the people going.

step-by-step explanation:

the cost to buy one movie ticket is $7. if the total cost for the movie is a function of how many people go, then the input is : the number of the people going.

18.75 gallons

step-by-step explanation: