Log Out ctions 2-3 S18>As Due Sat 02/03/2018 4:59 am Cherries at the grocery sto

Question

Log Out ctions 2-3 S18>As Due Sat 02/03/2018 4:59 am Cherries at the grocery store cost 0.95 dollars per pound. Let z represent the varying number of pounds of cherries you can purchase. a. If the value of z increases from z 2 to z = 2.5. i. What is the change in the value of z? ii. What is the corresponding change in the cost of the cherries? dollars Preview b. If the value of z increases from a 5.5 to z6 i. What is the change in the value of z? Preview i. What is the corresponding change in the cost of the cherries? dollars Preview c. How much will the cost (in dollars) of the cherries change for any 0.5 pound change in the number of pounds of cherries on the scale? dollars Preview d. For the following changs in the number of pounds of cherries you purchase determine the corresponding change in the total cost (in dollars) of the cherries. dollars Preview i. IfA 4, then the corresponding change in the cost of the cherries is ii. If Az 14.6, then the corresponding change in the cost of the cherries is dollars Preview

Explanation / Answer

For 1 pound, cost is $ 0.95

For 2 pounds, cost is 2(0.95) = $1.9

For 2.5 pounds, cost is 2.5(0.95) = $ 2.375

For 5.5 pounds, cost is 5.5(0.95) = $ 5.225

For 6 pounds, cost is 6(0.95) = 5.7

a) Part i) 2.5-2 = 0.5

Part ii) 2.375 - 1.9 = 0.475

b) Part i) 6-5.5 = 0.5

Part ii) 5.7 - 5.225 = 0.475

c) Clearly, Part ii of both Part A and Part B show that for every 0.5 pounds change, price changes by $0.475 (Answer)

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