1. Check it out! 1 3.3.2: Proving Average Rate of Change

2. Lupita wants to buy a boat that will have the best resale value after 3 years. 1.At one boat dealer, she found a boat she likes that sells for $15,000 and depreciates at a rate of 30% per year. What will be the value of the boat after 3 years? 2.At another dealer, she found a boat that costs $12,000 and depreciates at a rate of 20% per year. What will be the value of the boat after 3 years? 3.Which boat will have the greater value in 3 years? 2 3.3.2: Proving Average Rate of Change

3. 1.At one boat dealer, she found a boat she likes that sells for $15,000 and depreciates at a rate of 30% per year. What will be the value of the boat after 3 years? When the boat is new, it is worth $15,000; then it depreciates at a rate of 30% each year. Create a table to show the decrease in value for the first 3 years. 3 3.3.2: Proving Average Rate of Change

4. Boat A will be worth $5,145 after 3 years. 4 3.3.2: Proving Average Rate of Change YearValue of Boat A, in dollars ($) 015,000 115,000(0.70) = 10,500 210,500(0.70) = 7350 37350(0.70) = 5145

5. 2.At another dealer, she found a boat that costs $12,000 and depreciates at a rate of 20% per year. What will be the value of the boat after 3 years? When the boat is new, it is worth $12,000; then it depreciates at a rate of 20% each year. Create a table to show the decrease in value for the first 3 years. 5 3.3.2: Proving Average Rate of Change

6. Boat B will be worth $6,144 after 3 years. 6 3.3.2: Proving Average Rate of Change YearValue of Boat B, in dollars ($) 012,000 112,000(0.80) = 9600 29600(0.80) = 7680 37680(0.80) = 6144

7. 3.Which boat will have the greater value in 3 years? Boat A will be worth $5,145 after 3 years. Boat B will be worth $6,144 after 3 years. Boat B will be worth more than Boat A after 3 years. 7 3.3.2: Proving Average Rate of Change