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SCSU MAT 151 - MATH 151 QUIZ 3

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MATH 151 QUIZ 3 FALL, 2010Remember to keep your work neat and orderly. Show all of your work. NO WORK = NO CREDIT! Read each question carefully and be sure to answer the question that was asked. Good luck!Name:____________________________________________________________ ptsArc Length  dttgtfdxdxdyLdcba222)]([)]([1dtdxdtdydxdydtdxdxdydtddxyd221. For the parametric equations:,20102 ttx ty 5a. Eliminate the parameter t and sketch the resulting curve in the x-y plane. Label the coordinates of the initial point (0t) and draw an arrow on the curve showing the direction of motion. 5b. Use the parametric equations to find the slope of the tangent line to the curve at .6t3c. Find 22dxyd as a function of t only. 42. Find the arc length of the parametric curve 72tx, 5323 ty for .50 t Do the integration, but do not evaluate. 7Turn over for number 3!3. Use your calculator to find the arc length (to 1 decimal place) of the curve 23)( xexfx on the interval .31 x Show the integral you entered into your calculator.


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SCSU MAT 151 - MATH 151 QUIZ 3

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