Let v = 7j and let u be a vector with length 5 that starts at the origin and rotates in the xy-plane. Find the maximum value of the length of the vector |u x v|.
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c. |u x v| = 35
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Find a set of parametric equations for the conic section or the line.Ellipse: Center: (2, -3); Vertices: 3 units above and below the center; Endpoints of Minor Axis: 2 units left and right of the center.
A. x = 2 + 2 cos t, y = 3 - 3 sin t B. x = 2 + 2 cos t, y = -3 + 3 sin t C. x = 2 + 3 cos t, y = -3 + 2 sin t D. x = 2 - 2 cos t, y = -3 - 3 sin t
Solve the problem.Each year, 104 people move from Babbittown. How many people have moved from the town in 8 years?
A. 936 people B. 732 people C. 832 people D. 842 people
Solve the problem.The length of the diagonal of a rectangle is given by 
where L and W are the length and width of the rectangle. What is the length of the diagonal, D, of a rectangle that is 97 inches long and 32 inches wide? Round your answer to the nearest tenth of an inch, if necessary.
A. 91.6 in. B. 11.4 in. C. 102.1 in. D. 55.7 in.
When tuning a piano, a technician strikes a tuning fork for the A above middle C and sets up a wave motion that can be approximated by ? y= 0.001 sin 880?t, ? wheret is the time (in seconds). ? What is the period of the function? ?
A. 
sec
B. 440 sec
C. 
sec
D. 880 sec
E. 88 sec