calc chp 3.9.pdf

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Answer(s) submitted: (incorrect) Correct Answers: 2*pi*3500ˆ2*0.06 10. (1 point) Let y = tan ( 4 x + 5 ) . Find the differential dy when x = 2 and dx = 0 . 4 Find the differential dy when x = 2 and dx = 0 . 8 Answer(s) submitted: (incorrect) Correct Answers: 1.94302171127327 3.88604342254653 11. (1 point) Let y = e x / 2 . Find the differential dy when x = 5 and dx = 0 . 4 Find the differential dy when x = 5 and dx = 0 . 04 Answer(s) submitted: (incorrect) Correct Answers: 2.43649879214069 0.243649879214069 Generated by c WeBWorK, , Mathematical Association of America 2

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