Exponential Word Problems

• $15053.7

• $1320.62

• $1415.71

• 875.40

• $39813

• $39814

• $9700

• $9720

A town with a population of 5,000 grows 3% per year. Find the population at the end of 10 years.

Hint: x represents time (years, months, days, hours).

• 6719.58

• 6149.37

• 68929.2

• 53022.5

Tags

CCSS.HSF-LE.A.1C

The height of a tree h is increasing at a rate of 15% each year . If the original height of the tree was 40 feet, what would be the height of the tree after 3 years?
 

• 52.9 feet

• 60.84 feet

• 24.565 feet

• 13500 feet

Tags

CCSS.HSF.BF.A.2

Write an exponential function to model the situation. You invest $1500. Your investment increases at a rate of 3.5%.

• B(t) = 1500(0.965)^t

• B(t) = 1500(1.035)^t

• B(t) = 1500(.035)^t

• B(t) = 1500(1.965)^t

Tags

CCSS.HSF.LE.A.2

Write an exponential function to model the situation. Solve.
2) The cost of tuition at a college is $12,000 and is increasing at a rate of 6% per year. What will the cost be after 4 years?

• C(t) = 12000(1.06)^t ; $3149.72

• C(t) = 12000(.06)^t ; $3149.72

• C(t) = 12000(.06)^t ; $1472.95

• C(t) = 12000(1.06)^t ; $15149.72

Tags

CCSS.HSF.LE.A.2

A particular type of cell triples in number every hour. Which function can be used to find the number of cells present at the end of h hours if there are initially 6 of these cells?

• f(h) = 3(6)^h

• f(h) = 6x^h

• f(h) = 6(3)^h

• f(h) = 3(6h)

Tags

CCSS.HSF.LE.A.2

The amount of cola in a soda machine decreases by a rate of 5% each hour. The amount of cola in the machine was originally 75 gallons. Which function models the amount of cola in gallons after h hours?

• f(h) = 75(-5)^h

• f(h) = -5(75)^h

• f(h) = .95(75)^h

• f(h) = 75(.95)^h

Tags

CCSS.HSF.LE.A.2

Is the table linear or exponential?

• Linear Table

• Exponential Table