# Question #d3922

##### 2 Answers

Jul 4, 2016

#### Explanation:

N is an exponential-growth function and. N increases as t increases.

Equating logarithms and inverting,

So, for

Jul 4, 2016

for

#### Explanation:

Write an inequality:

So, for t from 14, N will exceed 650.

Test to check ...

If t = 13, then if t = 14....