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 dttgtfdxdxdyLdcba222)]([)]([1dtdxdtdydxdydtdxdxdydtddxyd221. 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 (0t) 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 .6t3c. Find 22dxyd as a function of t only. 42. Find the arc length of the parametric curve 72tx, 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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