Joelle works as a car salesperson. Her monthly pay is calculated with the equation y=500x+1000, where x represents the number of cars sold and y represents her pay in dollars. What is the meaning of the y-intercept of the equation

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