The graph shows the growth of fish and algae populations in a pond.

Question

Which of the following is true?

a
The growth of the fish population is nonlinear because it grows by a variable amount each week.
b
The growth of the algae population is nonlinear because it grows by a variable amount each week.
c
The growth of the fish population is linear because it grows by a variable amount each week.
d
The growth of the algae population is linear because it grows by a variable amount each week.

Answer 1

a. The growth of the fish population is nonlinear because it grows by a variable amount each week.