Question

Suppose that your helping a friend with his homework on growth law, N(t)=Noe^kt, and on his paper you see the equation e^k = -.75. How do you know at this point your friend made an error??

Answer 1

Because ummmmmm

Answer 2

An exponential can not produce negative numbers D:

That silly friend...
\[\Large e^{k} \ge 0, \quad \forall \;k\]

Answer 3

oh ya! HUH?! haha sorry, i forgot about that. haha

Answer 4

XD