Extra Credit Problem Sheet (Library of Functions)
Classlb:
Math 1090
-
Name: oo4onS
001 Spring 2013
EC1 Hmk. Score
Instructor: Katrina Johnson
Complete each problem. Clearly indicate your final answer. No credit will be given without
supporting work. DUE: March 8”.
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.
2 +bx+c =0
x
L
+L
1
( ‘(
.i)
C.
0
rZ’
1.
L1
:
(.(4’)+
(-
2
-
Lk
‘¾
±
±
2
For each function complete the table and graph the function.
2. f(x) = 3
3. f(x) = x
-1 0 1
2
x -2
x -2 -1 0
3
2
33
y
y -2--O
1 2
2
1<
0
I
0
)
II
w
x 9%
0
0
x
I)
.4
cS
0 0
-ç
5
0
1
II
a
‘I
c-c
I—
I—
0
I
0 0
a
I
x