Examples of Exponential Growth

The y-intercept in the exponential function is...

Find the growth factor for Species X.

• 5

• 15

• 3

• 10

Find the initial population for Species X.

• 5

• 15

• 3

• 10

Identify the equation that best models the growth of Species X

Will Species X reach a population of 1215 in year 5?

• Yes, the point (5, 1215) is a solution on the graph.

• No, the point (5, 1215) is NOT a solution on the graph.

What type of function does this table represent?

• Linear

• Exponential

• Neither

The number of mosquitoes at the beginning of the summer was 4,000. The population of mosquitoes is expected to grow at a rate of 25% a month. How many mosquitoes will there be after 4 months?

• 9766

• 9006

• 9765

• 5433

A colony of termites is growing continuously at a rate of 6.2% monthly. If the colony starts with 500, how many would there be in one year?

• 02 E 35 (huge amount)

• 1052

• 246375

• 532

What is the equation that represents the exponential function in the image below?

• y=3(½)^x

• y=3(2)^x

• y=(2)^x

• y=2(3)^x

Which equation matches the graph?

• y=2(2)^x

• y=2(1/2)^x

• y=2^x

• y=1/2(2)^x