In Section 3.5, read from the bottom of page 194 to the end of Example 13.
p. 445 # 25(ab), 36 (for #25, revolve around the y-axis only)
p. 201 # 82, 84, 86, 94(a), 96, 97, 102 For # 102, only find the equation for
the tangent line, don't find the second derivative. (Hint for #94(a): see
the solution of #93(a))