2.6.3 test (cst): functions and relations
which of the following statements are not true regarding functions?
the vertical line test may be used to determine whether a
function is one-to-one.
b. a function is a relation in which each value of the input variable is
paired with at least one value of the output variable.
the horizontal line test may be used to determine whether a
function is one-to-one.
d. a sequence is a function whose domain is the set of natural
numbers.

The product of two negative rational numbers is always zero sometimes zero never zero

Darian wants to build a regulation size pool table that is 9 feet in length.he plans he ordered are 18 by 36 inches. what is the scale factor of the dilation he must use to build a regulation pool table

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)) =