Question

Monique has 3 eggs and needs to buy more. A store has 6 dozens of eggs. Monique needs to buy at least 2 dozen. The number of eggs Monique will have after purchasing x dozen is represented by the function.

f(x)=12x+3
What is the practical domain of the function?

Question 11 options:

(A.) All real numbers


(B.) All integers from 2 to 6, inclusive


(C.) All real numbers from 2 to 6, inclusive


(D.) {27, 39, 51, 63, 75}

Answer 1

domain is the number of dozen of eggs she can buy

she needs at least 2 but the store has 6

so domain is all integers from 2 to 6
it is not C, because real number include pi and 2/3. you can't buy pi dozen eggs

answer is B