Problem 1E: How many independent variables does the function r(t) = f(t), g(t), h(t) have? Problem 2E: How many dependent scalar variables does the function r(t) = f(t), g(t), h(t) have? Problem 3E Problem 4E: Explain how to find a vector in the direction of the line segment from P0(x0, y0, z0) to P1(x1, y1,... Problem 5E: What is an equation of the line through the points P0(x0, y0, z0) and P1(x1, y1, z1)? Problem 6E Problem 7E: How do you evaluate limtar(t), where r(t) = f(t), g(t), h(t)? Problem 8E: How do you determine whether r(t) = f(t) i + g(t) j + h(t) k is continuous at t = a? Problem 9E: Equations of lines Find equations of the following lines. 9. The line through (0, 0, 1) in the... Problem 10E: Equations of lines Find equations of the following lines. 10. The Line through (3, 2, 1) in the... Problem 11E: Equations of lines Find equations of the following lines. 11. The line through (0, 0, 1) parallel to... Problem 12E Problem 13E: Equations of lines Find equations of the following lines. 13. The tine through (0, 0, 0) and (1, 2,... Problem 14E Problem 15E: Equations of lines Find equations of the following lines. 15. The line through (3, 4, 6) and (5, 1,... Problem 16E: Equations of lines Find equations of the following lines. 16. The tine through (0, 4, 8) and (10, 5,... Problem 17E: Equations of lines Find equations of the following lines. 17. The Line through (0, 0, 0) that is... Problem 18E: Equations of lines Find equations of the following lines. 18. The line through (1, 3, 4) that is... Problem 19E: Equations of lines Find equations of the following lines. 19. The line through (0, 0, 0) that is... Problem 20E: Equations of lines Find equations of the following lines. 20. The tine through (3, 4, 2) that is... Problem 21E: Equations of lines Find equations of the following lines. 21. The line through (2, 5, 3) that is... Problem 22E: Equations of lines Find equations of the following lines. 22. The line through (0, 2, 1) that is... Problem 23E Problem 24E Problem 25E: Line segments Find an equation of the line segment joining the first point to the second point. 25.... Problem 26E: Line segments Find an equation of the line segment joining the first point to the second point. 26.... Problem 27E: Line segments Find an equation of the line segment joining the first point to the second point. 27.... Problem 28E: Line segments Find an equation of the line segment joining the first point to the second point. 28.... Problem 29E: Curves in space Graph the curves described by the following functions, indicating the positive... Problem 30E: Curves in space Graph the curves described by the following functions, indicating the positive... Problem 31E: Curves in space Graph the curves described by the following functions, indicating the positive... Problem 32E: Curves in space Graph the curves described by the following functions, indicating the positive... Problem 33E: Curves in space Graph the curves described by the following functions, indicating the positive... Problem 34E: Curves in space Graph the curves described by the following functions, indicating the positive... Problem 35E: Curves in space Graph the curves described by the following functions, indicating the positive... Problem 36E: Curves in space Graph the curves described by the following functions, indicating the positive... Problem 37E: Exotic curves Graph the curves described by the following functions. Use analysis to anticipate the... Problem 38E: Exotic curves Graph the curves described by the following functions. Use analysis to anticipate the... Problem 39E: Exotic curves Graph the curves described by the following functions. Use analysis to anticipate the... Problem 40E: Exotic curves Graph the curves described by the following functions. Use analysis to anticipate the... Problem 41E: Limits Evaluate the following limits. 41. limt/2(cos2ti4sintj+2tk) Problem 42E: Limits Evaluate the following limits. 42. limtln/2(2eti+6etj4e2tk) Problem 43E: Limits Evaluate the following limits. 43. limt(eti2tt+1j+tan1tk) Problem 44E: Limits Evaluate the following limits. 44. limt2(tt2+1i4etsintj+14t+1k) Problem 45E: Limits Evaluate the following limits. 45. limt0(sinttiett1tj+cost+t2/21t2k) Problem 46E: Limits Evaluate the following limits. 46. limt0(tantti3tsintj+t+1k) Problem 47E Problem 48E Problem 49E Problem 50E Problem 51E Problem 52E Problem 53E Problem 54E: Skew lines A pair of lines in 3 are said to be skew if they are neither parallel nor intersecting.... Problem 55E Problem 56E: Domains Find the domain of the following vector-valued functions. 56. r(t)=2t1i+3t+2j Problem 57E: Domains Find the domain of the following vector-valued functions. 57. r(t)=t+2i+2tj Problem 58E: Domains Find the domain of the following vector-valued functions. 58. r(t)=cos2ti+etj+12tk Problem 59E Problem 60E: Line-plane intersections Find the point (if it exists) at which the following planes and lines... Problem 61E Problem 62E: Line-plane intersections Find the point (if it exists) at which the following planes and lines... Problem 63E Problem 64E: Curve-plane intersections Find the points (if they exist) at which the following planes and curves... Problem 65E: Curve-plane intersections Find the points (if they exist) at which the following planes and curves... Problem 66E: Curve-plane intersections Find the points (if they exist) at which the following planes and curves... Problem 67E: Matching functions with graphs Match functions af with the appropriate graphs AF. a. r(t) = t, t, t... Problem 68E Problem 69E Problem 70E: Closed plane curves Consider the curve r(t) = (a cos t + b sin t)i + (c cos t + d sin t)j + (e cos t... Problem 71E: Closed plane curves Consider the curve r(t) = (a cos t + b sin t)i + (c cos t + d sin t)j + (e cos t... Problem 72E: Closed plane curves Consider the curve r(t) = (a cos t + b sin t)i + (c cos t + d sin t)j + (e cos t... Problem 73E: Closed plane curves Consider the curve r(t) = (a cos t + b sin t)i + (c cos t + d sin t)j + (e cos t... Problem 74E: Golf slice A golfer launches a tee shot down a horizontal fairway; it follows a path given by r(t) =... Problem 75E: Curves on spheres 75. Graph the curve r(t)=12sin2t,12(1cos2t),cost and prove that it lies on the... Problem 76E Problem 77E Problem 78E: Limits of vector functions Let r(t) = (f(t), g(t), h(t). a. Assume that limtar(t)=L=L1,L2,L3, which... Problem 79E Problem 80E Problem 81E Problem 82E format_list_bulleted