A carton of eggs contains 12 eggs. Each carton of eggs costs $1.89. A function, f(x), written to represent the cost of purchasing x cartons of eggs. What is the practical domain for the function f(x)?

Question

all real numbers

all whole numbers

all whole numbers that are multiples of 3

mall positive integers

Answer 1

All whole numbers. 😀

Answer 2

f(x) = 1.89 * x

Obviously x(domain) is positive integer

Answer 3

Non negative integers

x=0,1,2,3,4,......,N where N is not infinity