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exam1 - Name TA Math 10A Midterm Exam 1 Sec No PID Sec Time...

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Name: PID: TA: Sec. No: Sec. Time: Math 10A. Midterm Exam 1 October 16, 2006 Turn off and put away your cell phone. You may use any type of calculator, but no other electronic devices during this exam. You may use one page of notes, but no books or other assistance during this exam. Read each question carefully, and answer each question completely. Show all of your work; no credit will be given for unsupported answers. Write your solutions clearly and legibly; no credit will be given for illegible solutions. If any question is not clear, ask for clarification. 1. One of the functions in the table below is linear; the other is not. x f ( x ) g ( x ) 0 1.38 -0.60 1 1.30 -0.35 2 1.15 -0.10 3 0.98 0.15 (a) (2 points) Which function is linear? Briefly explain your reasoning. (b) (4 points) Find an explicit formula for the linear function.
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