For this case we have a function of the form:

Where,
A: initial population
b: growth rate
x: number of years.
We then have the following function:

For x = 4 years we have:
Answer:
the formula for exponential growth is:
y = 210000 * (1,125) ^ x
The population of Canyon Edge after 4 years is:
y = 336379
Answer:
What are you trying to do you have not Explained to us
Step-by-step explanation:
Answer: it is 4
Step-by-step explanation: