Find the intervals for which f(x) = -2x^3 + 3x + 4 increases and decreases. Write your answer in interval form. This is a calculator problem and needs to be rounded to three decimals

Volume of a cylinder with a radius of 13 in and height of 30 in

How can you find the magnitude of a vector, v = < x,y > , where the horizontal change is x and the vertical change is y?

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