Math 1090.003 Quiz 02 Spring 2016 #: Student ID

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Math 1090.003 Quiz 02
Spring 2016
Student ID
#:
SO1fOS
ulD #:
Instructions:
• Please remove headphones and hats during the quiz.
• Show all work, as partial credit will be given where appropriate. If no work is shown, there
may be no credit given.
• All final answers should be written in the space provided on the quiz and in simplified
form. When needed, give your answer as an exact amount, i.e. a fraction or symbolic
expression, except for dollar amounts which should be rounded to the nearest cent.
• Scientific calculators are allowed on this quiz.
• If your phone is out during the quiz it will be considered a cheating offense
put your phone away!
1
-
28 January 2016
I\Iath 1090.003
1. (3 points) Given the function
(a) Find the dornaii of
f(x)
=
x2_5x_14:
f(x).
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(b) Evaluate f(+-2).
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2
Math 1090.003
28 January 2016
z.
2. (4 points) Solve this system of equations for x, y, and
(i)
x+z=8
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x+2y+z=16
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28
Math 1090.003
January 2016
3. (6 points) Concert promoters are willing to sell tickets at a price of $8 each if they can sell
6040 tickets; however, if they can only sell 6250 tickets, they insist on charging $50 each. At
the same time, 7250 music fans are willing to purchase a ticket for $10 each, but only 700 fans
are willing to purchase a ticket if they are $20 each.
(a) Find the supply equation described by this scenario in terms of quantity q and price p.
[HINT: Convention is (q,p). What is the slope of the supply line?].
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