Answer:
8+4+2=14
Step-by-step explanation:
Sorry if this did not help! I give away points!
Assuming f(x) is the cost and X is the number of months.
f(x)=2x+40
The population starts at 2000, so a=2000.
We also know that the population in 3 hours is 1000, so we can setup the equation:
2000 b^3 = 1000
This gets us:
b^3 = 1/2
And taking the cube root of both sides gives us:
b ≈ 0.7937005259841
Rounding that to 4 places, we have:
f(t) = 2000 (0.7937)^t
$90.05•1055=95,002.75
so the answer would be B. 95,000