Suppose x and y are different irrational numbers. mark each statement as always,
sometimes, or never true by using the drop down at the end of each statement.
3x is an irrational number. [select]
x^2 is a rational number. [select]
x • y is a rational number. [select]
x + 3 is an irrational number. [select]
x + y is a rational number. [select]
x - y is an irrational number.
select]

Someone answer this asap rn for ! a discount store’s prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =