Extra Credit Problem Sheet (Library of Functions)
ClassID: _____ Name: _________________________ EC1 Hmk. Score _________
Math 1090 – 001 Spring 2013
Instructor: Katrina Johnson
Complete each problem. Clearly indicate your final answer. No credit will be given without
supporting work. DUE: March 8th.
On separate paper complete the following problems from the textbook.
p. 86-87 #40-48; p. 181 #24, 26, 27; p. 216 #31-33
1. Solve the following quadratic equation by completing the square. Assume b and c are real numbers.
x 2 + bx + c = 0
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For each function complete the table and graph the function.
2. f (x) = 3
3. f (x) = x
x
y
€
-2
-1
0
1
2
x
y
€
-2
-1
0
1
2
4. f (x) = x
x
y
-2
-1
7. f (x) =
0
1
2
x
y
-4
x
-1
0
1
4
0
1
8
€
€
5. f (x) = x 2
x
y
-2
-1
0
1
2
8. f (x) = 3 x
x
y
€
€
6. f (x) = x 3
x
y
€
-2
-1
0
1
2
-8
-1