Calculus I Packet nearly complete!!! Just need help with these questions.

(Hi)

Hey everyone! I've been working on this huge packet filled with College Math II and Calculus 1 questions. I'm finished with 82 problems but now I'm stuck on the below few. If you can, please help me out because this is definitely URGENT!

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**1.** Given

Find the equation of the TANGENT line I at .

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**2.** Given

Find "symbolically" (in prime notation)

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**3.** Given the position function , find the __instantaneous acceleration__ at

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**4.**

Find

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**5.** Evaluate

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**6.** The function is NOT differentiable at x=?

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**7.** Given the position , where is in Ft.

Find the instantaneous velocity at

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The questions above are the only ones I'm having a tough time with. Please help me! I would greatly appreciate it. :)

You guys are awesome! This site has been a great resource for me for the past 2 years. Keep it up!