# hw5 - padilla(tp5647 – Homework06 – Fouli –(58320 1...

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Unformatted text preview: padilla (tp5647) – Homework06 – Fouli – (58320) 1 This print-out should have 16 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0 points Find the derivative of f when f ( x ) = 6 x cos 3 x- 7 sin 3 x . 1. f ′ ( x ) = 18 x sin 3 x- 15 cos 3 x 2. f ′ ( x ) = 21 cos 3 x- 15 x sin 3 x 3. f ′ ( x ) =- 18 x sin 3 x- 21 cos 3 x 4. f ′ ( x ) =- 21 cos 3 x + 18 x sin 3 x 5. f ′ ( x ) =- 18 x sin 3 x- 15 cos 3 x 002 10.0 points Determine f ′ ( x ) when f ( x ) = x + 1 √ x 2- 2 . 1. f ′ ( x ) =- 2 + x ( x 2- 2) 1 / 2 2. f ′ ( x ) =- 2 + x ( x 2- 2) 3 / 2 3. f ′ ( x ) = 2 + x ( x 2- 2) 1 / 2 4. f ′ ( x ) = 2 + x ( x 2- 2) 3 / 2 5. f ′ ( x ) = 2- x ( x 2- 2) 1 / 2 6. f ′ ( x ) = 2- x ( x 2- 2) 3 / 2 003 10.0 points Find the derivative of y when y = 6 sin √ x- 8 √ x cos √ x . 1. y ′ = 3 sin √ x + cos √ x √ x 2. y ′ = 3 sin √ x + 7 parenleftBig sin √ x √ x parenrightBig 3. y ′ = 4 sin √ x- 7 parenleftBig cos √ x √ x parenrightBig 4. y ′ = 4 cos √ x- 7 parenleftBig sin √ x √ x parenrightBig 5. y ′ = 4 sin √ x- cos √ x √ x 6. y ′ = 3 cos √ x + sin √ x √ x 004 10.0 points Find the derivative of...
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## This note was uploaded on 09/09/2009 for the course M 408k taught by Professor Fouli during the Spring '09 term at University of Texas-Tyler.

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hw5 - padilla(tp5647 – Homework06 – Fouli –(58320 1...

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