Does this graph represent a function? Why or why not?
10
8
8+
4+
2
-1...
Mathematics, 27.06.2020 15:01 zay12350
Does this graph represent a function? Why or why not?
10
8
8+
4+
2
-10-8-04
4
-8
-8-
-10
O A. No, because it fails the vertical line test.
O B. Yes, because it has two straight lines.
O C. No, because it is not a straight line.
O D. Yes, because it passes the vertical line test.
Answers: 3
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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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