Math 131. Test 1: Form 3197
Name:
Instructions. Complete all problems, and show all appropriate work. You may use a scientific
non-graphing calculator.
1. (5 pts) Let lim f (x) = 4, lim g(x) = 2, lim h(x) = 6. Find following limits if they exist. Write
xa

Chapter 2 Review Exercises
1. The limit
8 cos(8) 8
x8
x 8
0
represents f (c) for a functions f (x) and a number c. Find f (x) and c.
lim
Solution: Observe that 8 cos(8) = 8 and so if we write f (x) = 8 cos(x), and c = 8
we have
8 cos(x) 8 cos(8)
8 cos(x)

Math 131. Test 1: Form 3179
Name:
Instructions. Complete all problems, and show all appropriate work. You may use a scientific
non-graphing calculator.
1. (5 pts) Let lim f (x) = 8, lim g(x) = 3, lim h(x) = 4. Find following limits if they exist. Write
xa

Math 131. Test 1: Form 3111197
Name:
Instructions. Please complete all problems, and show all appropriate work, and write answers
in exact form unless asked to round. You may use a scientific non-graphing calculator.
1. (5 pts) Let lim f (x) = 2, lim g(x)

Math 131, Test 1 (Form M), January 23, 2013 Name:
Instructions. Do each of the following 8 questions. Show all appropriate details in your
solutions. Please indicate nal answers clearly, and write answers in exact simplied form
when possible. You may use

Chapter P and Chapter 1 Review Exercises
1. [chap1,P.1r](Basic Plot)Let y = 3 |x + 3|.
(a) Complete the following table.
7
x
6
5
-4
-3
-2
-1
0
1
y
(b) Plot the graph of y = 3 |x + 3| and determine its x-intercepts and y-intercepts.
Solution:
(a) The compl

Math 131, Test 1 (Form M), October 8, 2013
Name:
Instructions. Do each of the following 8 questions. Show all appropriate details in your
solutions. Please indicate final answers clearly, and write answers in exact simplified form
when possible. You may u

Math 131. Test 1: Form 3111179
Name:
Instructions. Please complete all problems, and show all appropriate work, and write answers in
exact form unless asked to round. You may use a scientific non-graphing calculator.
1. (5 pts) Let lim f (x) = 6, lim g(x)

Page 1 of 4
P.3
Functions and Their Graphs
A relation is any set of _.
Domain of a relation is the set of _ coordinates (x-coordinates).
Range is the set of _ coordinates (y-coordinates).
A function is a relation in which no 2 ordered pairs have the same