MAT112-2007FallUC

MAT112-2007FallUC - MAT 112 Final Exam Fa1l2007 UC Section...

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MAT 112 Final Exam Fa1l2007 UC Section Instructi ons: Do not open this booklet until you 'are told to do so. Show all work required to so~ve the problems. Incorrect answers not supported by work will receive no partial credit. You may use a calculator on any part of the exam, but you may not share a calculator with another student. If you have any questions, ask one the proctors. Printed name: _______________ _ Signature: _____________ _ Part: I II Points Possible 40 30 Points Earned: I III TOTAL 100
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PART I 1. a. (3 pts) State the commutative property and illustrate with an example. b. (3 pts) Simplify the following expression (show all your work): -7x + 8(x - 2y) + 6y c. (4 pts) Simplify (show your work): 2. Consider the table to the right: a. (2 pts) Is this function linear? x y = f(x) 0 10 2 6 4 2 6 -2 8 -6 b. (2 pts) What is the value f(6)? c. (2 pts) For what values of x is f(x) < 2? d. (4 pts) Find an equation of this function?
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3. Write an equation of the line with the given characteristics: a.
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MAT112-2007FallUC - MAT 112 Final Exam Fa1l2007 UC Section...

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