Section 6.3.  Read the entire section.  Answer the following questions.  Send an e-mail with subject line MA251 to selliott@utm.edu .

1) Compare formula [1] on page 441 to formula [2] on page 442.  Fill in the blanks:  In formula [2]  _____ replaces r from formula [1], and _____ replaces h from formula [1], while dx replaces delta r.  

x, f(x)

Mason Cullen

2) Fill in the blanks:  Dr. Stewart gives a memory aid for formula [1] on page 441.  It is V = [ _______ ][ _______ ][ _________ ] .

circumference, height, thickness
Alyssa Reed

3) What is the volume of the solid obtained by rotating the region between y = x and y = x^2 about the y-axis?

pi/6

Darcey Jones