The amount of sports drink in a cooler during practice is modeled by the equation y = 648 - 24x, where y is the number of ounces in the cooler after practice and x is the number of players at practice who take drinks from the cooler. Based on the information in the equation, which statements are true?

Which of the following statements is true? a. the irrational number system is not closed under multiplication, because the product of two irrational numbers is always a rational number. b. the irrational number system is not closed under multiplication, because the product of two irrational numbers is not always an irrational number. c. the irrational number system is closed under multiplication, because the product of two irrational numbers is always an irrational number. d. the irrational number system is closed under multiplication, because the product of two irrational numbers is always a rational numbers. reset submit