college Calculus problems

Mathematics
Tutor: None Selected Time limit: 1 Day

i am stuck on the following problems. here are 2 pics of the problems i need help with

http://imgur.com/BIgPeOl

http://imgur.com/wt7ogn3

just to be clear i need all the problems answered. please include all steps/work in the answers

thanks in advance
Jan 25th, 2015

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Jun 13th, 2015

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Jan 25th, 2015
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Jan 25th, 2015
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