LINEAR AND EXPONENTIAL REAL WORLD SITUATIONS 1 A

LINEAR AND EXPONENTIAL REAL WORLD SITUATIONS

1. A library has 8000 books, and is adding 500 more book seach year. 2. A gym’s customers must pay $50 for a membership, plus $3 for each time they us ethe gym. 3. A bank account starts with 4. $10. At the start of a carnival, you Every month, the amount ofmo have 50 ride tickets. Each time ney in the account is tripled. you ride the roller coaster, you have to pay 6 tickets. 5. There are 20, 000 owls in the 6. As a reward, you ask for a wild. penny the first day and double Discuss each situation with a partner and decide which are Every decade, the number the amount each day for 30 da LINEAR and which are EXPONENTIAL. Write the explicit rule

A Which 2 graphs show growth? B Which 2 graphs show decay? C Which 2 graphs are linear? Which 2 graphs are exponential? D

A. B. C. Discuss each table with a partner and decide which are LINEAR and which are EXPONENTIAL. Which are growth and which are decay? Write the explicit rule for each.

• Write an explicit rule for each bank • Make one table representing both • Make one graph representing both • Answer the following questions: 1. You will be leaving your money in for 5 years. Which bank is best for you? 2. You have started this account for a newborn child who will inherit the account at 21 years old. Which account do you choose?