Section 3.8.  Read the entire section.  Answer the following questions by 7:00 am.  Send an e-mail with subject line MA251 to .

1) Fill in the blanks:  The only solutions of the differential equation dy/dt = ky are the exponential functions y = __________ .


2) Example 4 refers to equation 3.6.6.  In words, what is equation 3.6.6?  (Hint: what is the title of the subsection of the book in which equation 3.6.6 first appears?)

The number e as a limit.

3)  In an exponential growth equation m(t) = m0 ekt , the sign of k is ________.