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Mathematics, 04.03.2021 22:30, Joshghopper
Does this graph represent a function? What is the domain and range of the graph? On a coordinate plane, a line goes through (negative 2, 2) to (0, 0) and another line goes from (0, 0) through (2, 2). a. Yes; domain: all real numbers; range: y = 0 b. Yes; domain: all real numbers; range: y greater-than-or-equal-to 0 c. No; domain: all whole numbers; range: y less-than-or-equal-to 0 d. Yes; domain: all real numbers; range: y greater-than 0
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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)) =
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Does this graph represent a function? What is the domain and range of the graph? On a coordinate pla...
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