Answer:
The population after 15 years will be 
Step-by-step explanation:
In this problem we have a exponential function of the form

where
a is the initial value
b is the base
r is the rate
b=(1+r)
x ----> the number of years
f(x) ----> the population
we have



The equation is

For x=15 years
substitute the value of x


therefore
The population after 15 years will be 
Answer:
the answer is x=−1 and y=1
Step-by-step explanation:
hoped I helped:)
Divide both sides by 2.1
2.1d/2.1 = 51.24/2.1
And then your answer!
d = 24.4
The answer is B ! Hope this helps !
700 because 48 is under 50 which makes it have to round down to the nearest hundred