Question

If y = 8(2. 4)* represents the number of bacteria in a culture at time t, how

many will there be at time t =9 ?

Answer 1

21134 bacteria

Explanation:

The given parametrs can be interpreted as:

`y = 8(2.4)^t`

Required

Find y when t = 9

Substitute
`t = 9`

So:

`y = 8(2.4)^9`

`y = 8 * 2.4^9`

`y = 8 * 2641.81`

`y = 21134.48`

`y = 21134` --- approximated

Hence, there are 21134 bacteria