quiz6-8.40-soln.

# quiz6-8.40-soln. - MATH 101-B Fall 2004 Quiz 6(8:40-10:30...

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Unformatted text preview: MATH 101-B Fall 2004 Quiz 6 (8:40-10:30 Group) November 12, 2004 Time: 10 minutes Name: Student No: Follow the directions. No work Problem 1 (5 pts.) Find df dx No credit!! , do not simplify your answer. fx 3 2 3x 5x 2 cos 2 sin 2x Solution. 2 2 2 2 2 df dx 2 3x 5x 2 3 cos 2 sin 2x 3x 5x 2 3 cos 2 sin 2x 3x 5x 2 3 cos 2 sin 2x l n 2 6 x 2 3x 2 2 d cos 2 3x 5x 2 dx sin 2x 2 3x 5x 2 sin 2 sin 2x d2x dt 2 2 2 3x 5 x 2 sin 2x 2 3x 5x 2 sin 2 sin 2x 2 3x 10x sin 2x sin 2x Problem 2 (5 pts.) Find d dx as a function of x if dx dt 2 5x 2 2 cos 2x 2 e 2x sin x 2 1. Solution. d2x dt 2 d dx d e 2x sin x 2 1 dt dt dt d e 2x sin x 2 1 dx dx dt 2x 2 2x 2e sin x 1 e cos x 2 1 2x e 2x sin x 2 1 ...
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