Precalculus for Business, Life, and Social Sciences
MATH 1643

Spring 2014
Math 1643 Final Review  Multiple Choice ( Spring, 2013 )
1) Find all solutions for the equation: 7 2 x + 3 = 21
A)x=3 andx=3 B)x=199 C)x=6
D)x=% E)x=3
2) Find the equation of a line perpendicular t
Precalculus for Business, Life, and Social Sciences
MATH 1643

Spring 2014
Long Answer Review for the Final Exam in Math 1643
and t ( x ) = 2 x 2 , then find:
1) If f ( x ) = 4 5 x and h ( x ) =
i)
( f h) ( 4 )
iii) h 1 ( x )
ii) f h ( 9 )
2) Given f ( x ) = 16 7 x 2 + 18 x
Precalculus for Business, Life, and Social Sciences
MATH 1643

Spring 2014
Solution Key for Final Review Multiple Choice Math 1643
1. E
2. D
3. E
4. C
5. C
6. D
7. D
8. B
9. C
10.
11.
12.
13.
14.
15.
16.
17.
18.
D
C
A
A
C
A
A
D
E
19.
B
33. ( , 0 )
20.
21.
22.
23.
24.
25.
26.