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# MAT112-2007Fall - MAT 112 Final Exam Fall2007 Instructi ons...

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MAT 112 Final Exam Fall2007 December 12, 2007 Instructi ons: Do not open this booklet until you are told to do so. Show all work required to solve 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 Points Possible 40 Points Earned: II 30 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 X=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?
3. Write an equation of the line with the given characteristics: a.

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MAT112-2007Fall - MAT 112 Final Exam Fall2007 Instructi ons...

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