Appendix F
Math 116
Answers
Problem
1.ANSWER BELOW
Use a graph to plot the point (0, 2)
2.CANNOT BE
SOLVED BECAUSE
IT IS DEPENDENT
Solve by elimination:
2x+3y = 5
4x+6y = 10
3.60
42% of what number is 70
4.x=5
Solve:
12x = 60
5. 1
On three consecutive passes, a football team gains 8 yards, loses 36 yards and
gains 27 years. What number represents the total net yardage?
6. b>30cm
any number greater
than 30
The length of a rectangular parking lot is fixed at 11cm. What widths will make
the perimeter greater than 82cm?
7. c=(30*2)+20, c=80
$80
A phone company charges $20 for a phone and $30/month for its basic plan.The
equation c=30t+20 describes the total cost c of operating a phone from this
company for t months.
A) What is the total cost for 2 months of service?
8. 2 months
Continued from above B) If a customer has only $90 available, how many
months of service can she receive?
9.all real numbers
Find the domain of the function
p(x) =

+
x2 2x 9
10.x<3
Solve using the addition and multiplication principles:
3+8x<27
11.272
Simplify:
2[71(4124)]
12.x<1/18
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 Spring '09
 UniversityofPhoenix
 Real Numbers, Addition, 6%, $20, $90, $30

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