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calculus homework 8

# calculus homework 8 - obiahu(vo879 HW08 Schultz(56395 This...

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obiahu (vo879) – HW08 – Schultz – (56395) 1 This print-out should have 20 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0 points After spending \$ x in advertising per day, a McDonalds restaurant finds that it sells N hamburgers where N = 1100 + 190 x - 5 x 2 . Estimate using differentials how many more hamburgers the restaurant will sell if it in- creases its daily spending on advertising from \$10 to \$10 . 30. 1. 27 more hamburgers 2. 26 more hamburgers 3. 30 more hamburgers 4. 28 more hamburgers 5. 29 more hamburgers 002 10.0 points Estimate the value of 17 1 / 4 using differen- tials. 1. 17 1 / 4 33 16 2. 17 1 / 4 2 3. 17 1 / 4 65 32 4. 17 1 / 4 63 32 5. 17 1 / 4 67 32 003 10.0 points Find the differential, dy , of y = f ( x ) = tan(4 x 2 ) . 1. dy = 4 sec 2 (4 x 2 ) tan(4 x 2 ) + dx 2. dy = 8 x sec 2 (4 x 2 ) dx 3. dy = 4 sec 2 (4 x 2 ) tan(4 x 2 ) 4. dy = 8 x sec 2 (4 x ) + dx 5. dy = 8 x sec 2 (4 x 2 ) 6. dy = 4 sec 2 (4 x 2 ) tan(4 x 2 ) dx 004 10.0 points Find the linearization of f ( x ) = 1 6 + x at x = 0. 1. L ( x ) = 1 6 - 1 6 x 2. L ( x ) = 1 6 parenleftBig 1 + 1 12 x parenrightBig 3. L ( x ) = 1 6 parenleftBig 1 - 1 6 x parenrightBig 4. L ( x ) = 1 6 parenleftBig 1 - 1 12 x parenrightBig 5. L ( x ) = 1 6 + 1 6 x 6. L ( x ) = 1 6 parenleftBig 1 + 1 12 x parenrightBig 005 10.0 points Richard removes a turkey from the oven after it reaches a temperature of 184 F and places on a table in his dining room where the temperature is 60 F . After 10 minutes the temperature of the turkey is 168 F , while

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obiahu (vo879) – HW08 – Schultz – (56395) 2 after 20 minutes it is 162 F . Use linear ap- proximation to predict the temperature of the turkey after half an hour.
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calculus homework 8 - obiahu(vo879 HW08 Schultz(56395 This...

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