=== Hand in solutions to:

Section 4.4: 2cdf, 4b, 8.
Section 4.5: 1c, 7, 23.
Section 4.6: 1bc, 11b.

=== Suggested problems: (Do not hand in)

Section 4.4: 1, 4af, 5, 14, 15, 23, 25
Section 4.5: 1a, 3, 4, 15, 18, 24
Section 4.6: 5b, 13a, 15.
Section 4.7: 1bf, 3, 4, 6.