Solutions Manual — College Algebra, 5th Edition (Young, 2021), Chapters 1-9 | All Chapter Solutions Covered

SOLUTIONS MANUAL
College Algebra
Cynthia Y. Young
? ?
5th Edition
S S
C E
U C
_ S
A ?
V I
T U
S

, SOLUTIONS MANUAL INDEX
College Algebra (5th Edition)
?
Cynthia Y. Young (2021)
?
Chapter 1 Equations and Inequalities
S S
Chapter 2 Graphs
E
Chapter 3 Functions and Their Graphs
C
Chapter 4 Polynomial and Rational Functions
C
Chapter 5 Exponential and Logarithmic Functions
U
Chapter 6 Systems of Linear Equations and Inequalities
S
Chapter 7 Matrices
_
Chapter 8 Conics and Systems of Nonlinear Equations and Inequalities
A ?
Chapter 9 Sequences, Series, and Probability
V I
TU
S

, ? CHAPTER 1
?Section 1.1 Solutions -----------------------------------------------------------------------------

1. 2. 3.
5x  35 4t  32 3  n  12
S S1 1
5x  35
1 1
 4t  32 3  3  n  3 12
5 5 4 4 n  15
x7 t8
E
5. 6.
4.
C 4  5  y 24  3x 50  5t
5  4  5  5  y 1 1 1 1
C 9 y
  24    (3x)
U3 3
  (50)   (5t)
5 5
8  x 10  t

7. 8. 9.
1
n3
S 6
1 _ p 3x  5  7
5 3 3x  12
1 1 
5  n  5 3 36  3 p  x4
 
5
?
 3 
n  15 18  p
A
10. 11. 12.
I
4p 5  9 9m  7  11 2x  4  5
4p  4 9m  18
V 2x  1
p 1 m2 x 1 2
U
13. 14. 15.
5t 11  18 7x  4  21 24x
T
3x  5  25  6x
5t  7 7x  17  24x 3x  30  6x
t7 5 17x  17
S
3x  30
x  1 x  10




59

, Chapter 1

16. 17. 18.
? 5x 10  25  2x 20n  30  20  5n 14c 15  43  7c
5x  15  2x 20n  50  5n 14c  28  7c
3x  15 25n  50 7c  28
? S x5 n2 c4

19. 20.
S 4(x  3)  2(x  6) 5(2y 1)  2(4y  3)
4x 12  2x 12 10y  5  8y  6
CE 2x  24 2y  1
x  12 y  1
2
C
21.
3(4t  5)  5(6  2t) U 22.
2(3n  4)  (n  2)
12t 15  30 10t 6n  8  n  2
15  2t 7n  10
 15 2  t
S _ n   10 7

23. 24.
2  x 1  3  x  3  x 1 4  y  6  8  2y  4  y  2
2x  2  3  x  3x  3
? 4y  24  8  2y  4y  8
A
2x 1  2x  3 4y 16  2y  8
4x  4 6y  24
I
x  1 y  4
V
25. 26. U
5 p  6  p  7  3 p  2 3  z  5  5  4z  7  z  2
5 p  6 p  42  3 p  6 3z 15  5  4z  7z 14
11p  42  3 p  6 3z 10  11z 14 S T
8 p  36 8z  24
9 z 3
p 
2




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