Exponential Functions -Mid Unit

In a game show, players play multiple rounds to score points. Each round has 3 times as many points available as the previous round.

Which equation could be used to show the number of points (y) available, in a given round (x) of the game show?

Answer explanation

Points = a value times 3 to the power of X rounds

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 greatest growth factor?

Answer explanation

3 is the largest b value

A $9 item loses one third of its value every year. Draw a graph representing the relationship between the year and the item's value

A new online music service has a collection of 1,500 songs. It expects to triple the number of songs each year for the next few years. Write an equation representing the relationship, where is time in years, and is the number of songs available.

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Jada saw a music video that her favorite artist recently posted online. Which equations represent the number of views of the video, based on the number of days since Jada saw the video with 320 views if the views have a growth factor of 4?

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Answer explanation

It's the number of views 2 days ago.

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• f(x)

• a

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• f(x)