For this case we have that by definition the growth of a population is a function of the form:

Where,
- <em>a: initial population
</em>
- <em>b: growth rate
</em>
- <em>x: number of years
</em>
We observe then that the function is of the exponential type.
Answer:
C) Exponential
One as it intersects only on the Y axis
26/100 or simplified to 13/50
The answer to the question is 2:3