Equations and Inequalities
#8
14
#41
900, 50
#3
2
72
#33
30
#9
-40
#38
P(x) = 30 + 15x
#17
1 and -5
#48
82
#36
True
#26
-5 < x < 3
#42
2700
#13
8
#52
c
#32
D: [0, 5]
R: [-2, 3]
F: N
#11
No solution
#39
6
#28
3243
#54
b
#34
What is 30; after using her phone 150 minutes, she owes $30.
#12
-17
#37
What is ...
#16
2
#50
90.5
#30
D: {-4, -3, -1, 2, 3, 5}
R: {-3, -2, 0, 3, 5}
F: Y