Exponential Word Problems

The population of Winnemucca, Nevada, can be modeled by P=6191(1.04)^t where t is the number of years since 1990. What was the initial population?

• 0 people

• 1.04 people

• 104 people

• 6191 people

The population of Winnemucca, Nevada, can be modeled by P=6191(1.04)^t where t is the number of years since 1990. What percent did the population increase each year?

• 4%

• 61%

• 40%

• 400%

The foundation of your house has about 1,200 termites. The termites grow at a rate of about 2.4% per day. Which equation would represent the number of termites in x days?

• 1200(1.024)^x

• 1024(1200)^x

• 1200(124)^x

• 1200*24x

The original value of a painting is $1400, and the value increases by 9% each year. Write an exponential growth function to model this situation.

• y=1400(1.09)^x
• y=1.09(1400)^x
• y=1400(.91)^x
• y=1.09^x

Tags

CCSS.HSF.LE.A.2

y = 5950(1.06)^t represents the cost of a sailboat over time. What does 5950 represent?

• How much the cost increases by

• How much the cost decreases by

• The initial cost of the sailboat

• The cost of the sailboat after 10 years

Which of the following functions shows an initial amount of $15 and an increase of 35% each year?

• y = 15(35)^x

• y = 15(0.35)^x

• y = 15(1.35)^x

• y = 35(1.15)^x

Tags

CCSS.HSF.LE.A.2

Suppose a culture of bacteria begins with 5000 cells and increases by 30% each hour. Write an equation that represents this situation.

• y=5000(0.7)^x

• y=5000(1.3)^x

• y=30(5000)^x

• y=5000x^x