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01/01/2018
Math 133 Unit 1 Individual Project 2a
Name: _______________________________________
MATH133 Unit 1 Individual Project 2 A
1) The following graph shows the depreciation for the corporate airplane from 2006
to 2009. The plane was purchased new in 2006; therefore, x = 0 represents the
year 2006.
see attached file
X – axis (horizontal) = years starting from 0 = 2006 and increasing by 0.5 years
Y – axis (vertical) = price in $ amounts from 24,000 to 240,000
a) List the coordinates of two points on the graph in (x, y) form. The numbers on
the horizontal axis are 0.5, 1.0, 1.5, 2.0, 2.5, 3.0, and 3.5.
(___, ___),(___, ___)
b) Find the slope (rate of depreciation) of this line:
c) Find the linear equation of this line in slope-intercept form.
d) If the rate of depreciation continues at the present rate, what will be the plane’s
value in the year 2017? Show how to use the linear equation from part c) to
obtain your answer.
e) If the trend continued, in how many years would the plane’s value be $48000?
Show how to use the linear equation from part c) to obtain your answer.
2) Suppose that the width of a rectangle is 5 inches shorter than the length and that
the perimeter of the rectangle is 50 inches. The formula for the perimeter of a
rectangle is P=2L+2W.
a) Set up an equation for the perimeter involving only L, the length of the rectangle.
b) Solve this linear equation algebraically to find the length of the rectangle. Find
the width as well.
Answer: Length ______, Width ______
c) Using the same width as your answer from part b), find a new perimeter if the
new length is 4 less than three times the width.
3) A marketing group developing online ad space is offering two payment options:
Option 1: $210 set up fee plus $10/inch of the ad
Option 2: No set up fee but $25/inch of the ad
Let x = inches of the proposed ad, for example, x = 2 for a column ad that is 2
inches long.
a) Write a mathematical model representing the total ad cost, C, in terms of
x for the following:
Option 1: C=_________________
Option 2: C=_________________
b) How many inches of ad space would need to be purchased for option 1
to be less than option 2? Set up an inequality and show your work
algebraically using the information in part a).
c) Summarize your findings in a brief sentence.
Answer:
4) Graph the equations on separate graphs by completing the tables and plotting
the points. You may use Excel or another web-based graphing utility.
a) Complete the table using the given values of x and the equation y = -2x + 7.
see attached file
b) Graph the equation here by plotting the points from your table.
c) Complete the table using the given values of x and the equation 3x – y = 8.
see attached file
d) Graph the equation here by plotting the points from your table.
About the Solutions
Full Step-by-Step solutions using MathType in a Word Document.
Question Files
MATH133_U1IP2a.pdf
Other Details about the Project/Assignment
Subjects
:
Algebra
Topic
:
MATH133, MATH133_U1IP2a
Level
:
College/ University
Tags
:
American InterContinental University, AIU, MATH133, MATH133_U1IP2a
Price
:
$9.95
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Customer Rating:
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Projects Completed:
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Project Details
Question Files
MATH133_U1IP2a.pdf
Subjects
:
Algebra
Topic
:
MATH133, MATH133_U1IP2a
Level
:
College/ University
Tags
:
American InterContinental University, AIU, MATH133, MATH133_U1IP2a
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