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# 7 - Winchell Daniel Homework 7 Due 3:00 am Inst Karakhanyan...

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Winchell, Daniel – Homework 7 – Due: Oct 10 2006, 3:00 am – Inst: Karakhanyan 1 This print-out should have 16 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. The due time is Central time. version 312 001 (part 1 of 1) 10 points Find the derivative of f when f ( x ) = 2 x + 3 sin x . 1. f 0 ( x ) = 2 + 3 cos x 2. f 0 ( x ) = 3 + cos x 3. f 0 ( x ) = 2 - 3 sin x 4. f 0 ( x ) = 2 + 3 sin x 5. f 0 ( x ) = 2 - 3 cos x 6. f 0 ( x ) = 3 + sin x 002 (part 1 of 1) 10 points Find the derivative of f when f ( x ) = 2 tan x + 4 cot x . 1. f 0 ( x ) = 2 - 6 cos x sin x cos x 2. f 0 ( x ) = 2 - 6 sin 2 x sin 2 x cos 2 x 3. f 0 ( x ) = 2 - 6 cos 2 x sin 2 x cos 2 x 4. f 0 ( x ) = 2 + 6 sin 2 x sin 2 x cos 2 x 5. f 0 ( x ) = 2 + 6 cos x sin x cos x 6. f 0 ( x ) = 2 + 6 cos 2 x sin 2 x cos 2 x 003 (part 1 of 1) 10 points Find the derivative of f when f ( x ) = 4 tan x - 7 sec x . 1. f 0 ( x ) = sec x (4 sec x - 7 tan x ) 2. f 0 ( x ) = 4 cos x + 7 sin x 3. f 0 ( x ) = 4 cos x - 7 sin x 4. f 0 ( x ) = 4 sin x + 7 cos x 5. f 0 ( x ) = sec x (4 - 7 tan x ) 004 (part 1 of 1) 10 points Determine if the limit lim x 0 2 sin 3 x - 9 x x exists, and if it does, find its value.

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