Forums Calendar Gradebook Log Out athways(04)> Assessment zhiling jan The price

Question

Forums Calendar Gradebook Log Out athways(04)> Assessment zhiling jan The price of Dark Roast coffee beans is $13 per pound. Due in 8 hours, 27 minutes. Due Wed 02/07/2018 11:59 a. As you add more Dark Roast coffe beans to a bag, which of the following are varying? Selectall hat apply. the cost of the coffee in your bag (in dollars) the number of pounds of coffee in your bag the coffee the cost of three pounds of coffee b. As the change in the number of pounds of Dark Roast coffee in your bag varies, the change in the cost of the coffee in number of pounds of coffee in your bag? your bag is how many times as large as the change in the Preview c. Write a formula that determines the change in the cost of Dark Roast coffee in your bag, ·in terms of the change in the number ofpo nds of Dark Roast coffee in (Use "d" to enter&. For example, type dx+5 forAz+5.) your bag, ar. Preview Points possible: 10 Unlimited attempts. Submit

Explanation / Answer

a) The cost of coffee in your bag.

The cost of three pounds of coffee.

b) For 1 pound, cost is $13.

For 2 pounds, cost would be $26.

So for every 1 pound change, the cost changes by $13.

So, 13 times is the answer for part B.

c) dC = 13dN

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