Section 3.4.  Read through Example 9. Answer the following questions by 7:00 am.  Send an e-mail with subject line MA251 to selliott@utm.edu .

1) What is the derivative of y = 2^x

1. (2^(x))ln2

Hugh Pinckley

2) What is the derivative of cos (x^2) ?

-2xsin(x^2)

Denton Davolt

3) What is the derivative of (cos x)^2
?

3) 2(cosx)(-sinx)

Alyssa Reed