MAT 335-1

Homework Assignment #4

Hand in Wednesday, September 19, 2007

1. Exercises from Section 1.7

# 6, 8, 14, 32, 40

2. Exercises from Section 1.8

# 6, 16

3. Show that the transformation given by is linear.

4. Show that the transformation given by

is NOT linear.

5. Show that the transformation given by

is NOT linear.

Always give reasons and show your work. Indicate where and how

you used MATLAB, as appropriate.