Math 220 Quiz 8 (take-home) Spring 2011
Name
•You may work with other students in this class. However each student should write up
solutions separately and independently – nobody should copy someone else’s work.
•You may use your notes or the textbook.
•No calculators or computers are allowed on any problem.
•You must show sufficient work to justify each answer.
•The quiz should be turned in to your TA at the beginning of your discussion section meeting
on Wednesday, March 9 (Merit sections) or Thursday, March 10 (other sections).
•Be sure that the pages are nicely stapled – do not just fold the corners.
•Note to TA’s – you should not help students with these specific problems or go over solutions
until after 4pm Thursday.
1. (3 points) A function f(x) has the following first derivative.
f0(x)=3exx2−97x2+ 256(2x−20)8
(a) Find each critical number of the function f(x).
(b) Find the x-value for each local maximum value of f(x).
(c) Find the x-value for each local minimum value of f(x).
