During an epidemic, the number of people who have never had the disease and who are not immune (they are susceptible) decreases exponentially according to the following function, where t is time in days.
f left parenthesis t right parenthesis equals 16,000 e superscript negative 0.04 t
find the number of susceptible people at each time.
(a) at the beginning of the epidemic
(b) after 10 days
(c) after 3 weeks

ans a at the be

step-by-step explanation:

answer

explanation

the area of a circle is calculated using the formula

or

we can use any of the above formulae to calculate the required. preferably, let us use the latter since the diameter is

we substitute the diameter into the formula to get:

this is the exact value for the area of the circle.

the correct answer is a

x+y=90

x=30-y=x

step-by-step explanation:

if you understand you will get the answer