Question

A type of plant is introduced into an ecosystem and quickly begins to take over. A scientist counts the number of plants after m months and develops the equation mc010-1.jpg to model the situation. Most recently, the scientist counted 138 plants. Assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants were first introduced?

Answer 1

how about you provide the function, instead of naming a file we cannot see?

Is it p(t) = a*e^(kt)

with suitable values of a and k?

Answer 2

6.1

Answer 3

6.1 is incorrect

Answer 4

the answer is either 7.2 or 23.1

Answer 5

The correct answer is 23.1