TEST REVIEW UNIT 5

• Growth

• Decay

• Both

• None

• 1200
• 1

• 1.3

• 0..3

• 0.3

• 30%

• 1.3

• 0.7

• Growth

• Decay

• None

• Both

• 1

• 55

• 0.02

• 0.98

• 0.02

• 2%

• 0.98

• 1.02

• Growth
• 100
• 0.25
• Decay
• 1.25

• Decay
• 5575
• 35%
• Growth
• 0.65

The first year of a charity walk event had an attendance of 500. The attendance y increases by 5% each year.

Write an exponential growth function to represent

this situation.

Your starting salary at a new company is $34,000 and it increase by 2.5% each year.

Write an exponential growth function to represent

this situation.

(a)  

What will you salary be in 5 years? Round your

answer to the nearest dollar. ​ (b)  

• f(x) = 34000 * (1 - 0.025)^x
• f(x) = 34000 * (1 + 0.025)^x
• $38,468
• $35,500