Does this table represent a function? why or why not?
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a. no, because no of the yvalues are the same.
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b. yes, because every x-value corresponds to exactly one y-value.
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c. yes, because there are two x-values that are the same.
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d. no, because one x-value corresponds to two different y-values.

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)) =

An ant travels at a constant rate of 30cm every 2 minutes. at what speed does the ant travel per minute

Which diagram shows lines that must be parallel lines cut by transversal?