Monique has 3 eggs and needs to buy more. A store has 6 dozen eggs. Monique needs to buy at least 2 dozen. The number of eggs Monique will have after purchasing x dozen is represented by a function. f(x)=12x+3

What is the practical domain of the function?

all integers from 2 to 6, inclusive

all real numbers from 2 to 6, inclusive

all real numbers

{27, 39, 51, 63, 75}