Question

Use the image to answer the question.
a exponential curve going through (-1,100) (0,150)


Two college roommates are studying an invasive species at the local park.

What was the size of the population when they began recording data on the invasive species? (Round to the nearest tens.)

(1 point)
When they began recording their data, the population of the invasive species was ?.
Skip to navigation

Answer 1

An exponential model is y = a·b^x. The point (0,150) gives a = 150, so the population at the start (x = 0) was 150. Rounded to the nearest tens: 150.