Question

The total cost of a purchase of a number ofChromebooks, x can be represented by the functionc(x) = 250x. Which set of numbers best defines thedomain of c(x)? Explain how you know.

Answer 1

Whole numbers

Step-by-step explanation:

The domain of a function is the set of all the possible values that the variable x can take. In this case, x represents the number of Chromebooks, so x can take values like 0, 1, 2, 3, ...

Therefore, the c(x) domain is the set of whole numbers because these are the numbers that we use to count.