For this case we have a function of the form:

Where,
A: it is the initial amount
b: is the growth rate
x: is the number of years
Substituting values we have:

We have a growing exponential function because the value of b is greater than 1.
Answer:
See attached image.
Answer:
20 miles $80
Step-by-step explanation:
20 miles
P%5Bc%5D%2820%29=20%2B3%2820%29=20%2B60=80
$80
Its b because to simplify radical you multiply by in this instance sqrt of 5 on the denominator and numerator
$8,750
(25000*.35)
Multiply