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# quiz 7 - Math 155 Quiz 7 Name SO‘UA’I‘MS Also put...

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Unformatted text preview: Math 155 Quiz 7 October 10, 2006 Name: SO‘UA’I‘MS Also put your name on the back. Calculators are not allowed on this quiz. Remember to Show all work to receive full credit. Find the derivatives of the following functions: .I x 1. f(x)=1n(m)+§+e= {ma (”(7‘) + x H: -2- Wx)‘: “7'5. ' 7‘ +6“ 2 faking ' i f“), (1)!”va (Ht) t [Ln f} 3. Let f(m)=(1-—:c)e"’=. ( a) Show that f’(:z: )= —.a:e‘” A: Nix): (I)e"+(l- 7%" 02 B: ﬁx): ex-xe" . -ex “my,“ {’00: e"—[e"+ are? x. = ex—cxaxe" = -x.e s “'ch (13) Find the critical points of f (m ). .th): 0 Hr ~23“ :0 .ex. always .30 ’59 PC (HI -;(= o dmdc 53 I‘ e," . -x¢" WW9 Adina ...
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