Mathematics

Guest

17 July, 19:30

Abby is infected by a certain fungal infection. When she goes to the

doctor, the population fungus is 4 million. The doctor prescribes an

anti-fungal that reduces the fungus population to of its size each

5

day. Find the size of the bacteria population after one week,

1

a 1.2 x 10 million

b 5.12 105 million

C 712 x 10 - million

d None of the above