exponential decay 14.3

Question

A virus is spreading across an animal shelter. The percentage of animals infected after t days

is given by   V(t)=100/1+99e^−0.144t.

​A) What percentage of animals will be infected after 14 days?ROUND YOUR ANSWER TO 2 DECIMAL PLACES. ​ (i.e. ​ 12.34%)

About ____% of the animals will be infected after 14 days.

​B) How long will it take until exactly​ 90% of the animals are​ infected?

ROUND YOUR ANSWER TO 2 DECIMAL

PLACES.

​90% of the animals will be infected after about ___

days.

Answer 1

A) Calculate V(14)

B) V(t) = 0.90, solve for t