What is the Y-intercept of function described in the table

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

What is the effect on the graph of the function f(x) = x2 when f(x) is changed to f(x) − 4?

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