Exponential Growth/Decay

• increasing
• 9%
• 90%
• decreasing
• 109%
• 91%

Jonathon is about to sell his used car. When he first bought it, the car was worth $13,000. Every year since, the value of the car has depreciated by 18%. Which choice shows the value of the car, V(x), after x years.

• The average price of a high end TV in 2017 was $1,250 and increased in price by 97% each year

• The average price of a high end TV in 2017 was $1,250 and increased in price by 3% each year

• The average price of a high end TV in 2017 was $1,250 and decreased in price by 97% each year

• The average price of a high end TV in 2017 was $1,250 and decreased in price by 3% each year

Match each equation to the situation it represents best.

• You have $120 saved and save 15% each week

• You have $120 saved and save $15 each week

• You have $120 saved and spend 15% each week

• You have $120 saved and spend $15 each week

• growth
• 10%
• 1%
• 11%
• 110%
• decay