1.
Consider this sequence: 10, 6, 2, 2, 6, . . .
(a) Graph the first five terms of the sequence.
(b) Explain why the sequence is arithmetic.
The sequence is arithmetic because all the points in the sequence
share a common difference of 4.
10 6 = 4
62=4
2
An employer provides two payment options for employees.
Option A: Receive $200 the first week. Receive an additional $50
for each of the following weeks.
Option B: Receive $200 the first week. Receive an additional 10%
for each of the following weeks.
1.
1.
Ebony kept her bank account open for only 3 weeks, and the
graph shows the entire 3 weeks. During that time, her greatest
balance was $400.
(a) Give the domain and range of the function.
3 weeks is the domain while 400 is the range,so 3 weeks will be
o
1.
Graph the function and label its intercepts. Round the
intercepts to two decimal places.
f(x) = 1.5x 2 + 4
Answer:
Y = (0,3.56)
X = (5.42,0)
2.
Describe the graphs end behavior.
Y approaches y = 4 as x increases
Y increases infinitely as x decreases in
1.
Here is a relation.
cfw_(4, 7), (2, 1), (2, 0), (3, 3)
(a) Display the relation in an arrow diagram.
(b) Is the relation a function? Explain.
No,because 2 arrows start from a same value on the left side (2)
that go to 2 different values on right side (
1.
Graph the system of inequalities.
2x + 3y 12
x+y<3
2. The feasible region shows the number of chairs x and tables
y that a furniture company can build each week.
(a) Can the company build 12 chairs and 5 tables? Explain.
No,because the shaded part of t
Solve the problems so that you can discuss them with your peers
in the discussion format. You will not submit your answers to
these problems to your teacher.
An airplane that flies from New York City to Los Angeles for
Speedy State Airlines flies at an av
1. Four less than half a number is equal to 37 less than twice
the number.
(a) Translate the sentence into an equation.
x/2 - 4 = 2x - 37
(b) Solve the equation. Show your work.
Answer:
x/2 - 4 = 2x - 37 (Both sides multiply by 2)
2x/2 - 4(2) = 2(2x) - 37
Unit Test, Part 2: Expressions and Problem Solving
Answer the questions. When you have finished, submit this
assignment to your teacher by the due date for full credit.
(9 points)
1.
Pauls Plumbing charges a flat fee of $90 plus $40/h for a
plumbing job.