After 4 hours there will be 2080 bacteria.

(a) Express the population after t hours as a function of t.

population: (function of t)

(b) What will be the population after 9 hours?

(c) How long will it take for the population to reach 1390 ?

After 4 hours there will be 2080 bacteria.

(a) Express the population after t hours as a function of t.

population: (function of t)

(b) What will be the population after 9 hours?

(c) How long will it take for the population to reach 1390 ?