Math 13 Homework #7 Work is the greatest thing in the world, so we should always save some of it for tomorrow. Don Herald

	Quiz Remember that we have a quiz on Monday 10/12 on Lectures 5 - 7.

	Reading Read what we will cover in the next class: 12.6. When reading 12.6 pay special attention to the following concepts: directional derivative; gradient; What does the gradient tell us?; What is the relation between the gradient and tangent planes?; What is the relation between the gradient and the maximum value of a directional derivative?

	Problems The following problems are due by the beginning of class on Wednesday 10/14. 12.5: 3, 5, 8, 9, 18, 23, 28, 36, 39.