i need help woth these 3 math problems thank you Math

    i need help woth these 3 math problems thank you
    Math 150B Quiz #12 Fall 2013
    Show your work! Be thorough in your explanations!
    1. Find the exact length of the curve .
    2. Find the points on the curve where the tangent line is horizontal or vertical.
    3. Find the area enclosed by .
    Name ______________________________
    Class Time __________________________
    Attachments:

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