Unit 5 "Test"

• 9

• 20

Suppose the population of a town is 8,600 and is growing 3% each year. Predict the population after 3 years.

• about 77,400 people

• about 9,397 people

• about 26,574 people

• about 232,200 people

• 
• 
• 
• 

• The x axis

• y = 2

• y = 5

• y = 1

Which exponential function matches the table?

Aaron invests $1500 at an interest rate of 4%, compounded quarterly. How much is the investment worth at the end of 6 years?

• $1,904.60

• $1,860.60

• $1,560.00

• $1,592.80

The population of a town is 13,000. It decreases at a rate of 5% per year. In about how many years will the population be less than 12,000?

• 1

• 2

• 3

• 4

The sequence 540, 180, 60, 20 ​ has a common ​ (a)   so it ​ (b)   a geometric sequence.

• ratio
• difference
• term
• is
• isn't