NAME_____________________
Period_____
ALGEBRA 2 6.0
DUE TUESDAY, APRIL 19TH
CUMULATIVE REVIEW #9
FIVE POINTS OFF EACH DAY LATE.
SCORE _____/20
NO WORK – NO CREDIT, UNLESS MARKED WITH *.
WORK MUST BE WRITTEN CLEARLY AND MUST JUSTIFY YOUR ANSWER.
IN PREPARATION FOR THE FINAL EXAM ALL ANSWERS ARE RIGHT OR WRONG.
1.
A function with the equation y  4 x  3  2 is horizontally
1
compressed by a factor of , and shifted up 3 units.
3
Find the resulting function.
*1._________________
2.
If f ( x)  2 x 2  5x  3 , find f (3x  2).
2._________________
3.
If h( x)  f g , and h( x)  4(5x  4)3 , find possible functions
for f ( x ) and g ( x ) .
*3. f ( x)  ______________
g ( x)  ______________
4.
Find the domain of f ( x ) given f ( x ) 
12 x 2  x  6
.
x2  4 x
4.________________
5.
Find f 1 ( x ) given f ( x)  3 5x  8
6.
Find the domain of f
7.
8.
5._______________
g given f ( x)  x  3 and
g ( x)  x  1 .
6._________________
Determine the discriminant for the given equation:
x 2  4 x  5  0 . Then describe the roots
(how many, and what type).
7.__________________
__________________
Factor completely: 343x 6  8 y 9 z15
8.________________________________