Mathematics 2171-01
Calculus I
Spring 04
Dr. A. Shlapentokh
Test #1
Name: _
Show your work !!
1. Assume the graph below

is the graph of a function . Sketch the graph of
(a) (5 points)
(b) (5 points)
(c) (5 points)
2. What are the domains of the following functions:
(a) (5 points)
(b) (5 points)
(c) (7 points)
3. Let . What is the domain and a formula for the function
(a) ? (2 points)
(b) ? (2 points)
(c) ? (2 points)
(d) ? (3 points)
(e) ? (3 points)
4. Let be functions defined in some interval containing . Suppose , and . Determine the following limits.
(a) (2 points)
(b) (2 points)
(c) (2 points)
(d) (3 points)
(e) (2 points)
(f) (2 points)
5. Suppose is continuous at and . What is ? (2 points)
6. Determine if the following limits exist. In cases where the limit does not exist determine whether the left or the right limit exists.
(a) (2 points)
(b) (3 points)
(c) (4 points)
7. Consider the following graph:

Can this graph be the graph of
(a) for some positive real number ? If the answer is “no”, explain why. (5 points)
(b) for some positive real number ? If the answer is “no”, explain why. (5 points)
(c) for some positive real number ? If the answer is “no”, explain why. (5 points)
(d) for some positive real number ? If the answer is “no”, explain why. (5 points)
8. Compute the following limits.
(a) (2 points)
(b) (3 points)
(c) (2 points)
(d) (3 points)
(e) (5 points)
9. Explain how to use the “Squeeze” Theorem to prove that . (5 points)
10. Determine at which points (if any) the following functions are discontinuous. Explain your answer.
(a) (2 points)
(b) (2 points)
(c) (5 points)
(d) (5 points)