Unit 5 Mid Unit Review

The number of bacteria initially present in a culture was 2,000. Each hour, the number of bacteria in the culture was 3 times the number that was present at the start of the preceding hour, as shown in the table. Which equation could be used to determine n, the number of bacteria in the culture at hour t?

These equations represent the number of bacteria in four different dishes as a function of time, t, in days. Which equation represents the population with the smallest growth factor?

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A bond is initially bought for $250. It doubles in value every decade. Write an equation relating v, the value of the bond, to d, the number of decades since the bond was bought.

• 3,200,000

• 50,000

• 1,600,000

• 500,000

• This is the value of the home, in dollars, in 3 years

• This is the value of the home, in dollars, 3 years ago

• This is the value of the home, in dollars, in 3 decades

• This is the value of the home, in dollars, 3 decades ago.

• y= -20

• y= 20

• y= 5

• y= 0

• y= 10

• y= 20

• $120

• $270

• $60

• 180 represents how much gift money Jada spent

• Jada started with $180, The initial amount of money was $180

• After 1 week, Jada has $180.