Find the length of the parametric curve defined over the given interval.x = 1 - t, y = 
; 0 ? t ? 
Give your answer in exact form.
A. sin-1
B. 25 sin-1
C. cos-1
D. 10 cos-1
Answer: A
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At the outside wall the roof is 10 feet high. Also, 5 horizontal feet from the outside wall toward the interior of the room, the roof is 11 feet tall. What is the height of the roof 10 horizontal feet from the outside wall toward the interior of the room? ?
A. 12.10 feet B. 14.55 feet C. 15.22 feet D. 12.00 feet
Provide an appropriate response.Suppose the velocity of a body moving along the s-axis is 
= 9.8t - 7.Is it necessary to know the initial position of the body to find the body's displacement over some time interval? Justify your answer.
A. No, the initial position is necessary to find the curve s= f(t) but not necessary to find the displacement. The initial position determines the integration constant. When finding the displacement the integration constant is subtracted out. B. Yes, integration is not possible without knowing the initial position. C. Yes, knowing the initial position is the only way to find the exact positions at the beginning and end of the time interval. Those positions are needed to find the displacement. D. No, displacement has nothing to do with the position of the body.
Graph the inequality.y ? 2x - 4
A. 
B. 
C. 
D. 
Solve the exponential equation and approximate the result, correct to three decimal places.
= 5
A. 0.2027 B. 0.215 C. 0.2798 D. 0.3261