Find the arc length parameter along the curve from the point where t = 0 by evaluating 
r(t) = (2cos t)i + (2sin t)j + 7tk
A. 
t
B. 
t
C. 
t
D. 
t
Answer: B
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Solve the problem.If ?1 and ?2 are supplementary angles and ?1 is 5 times as large as ?2, then what are the measures of the two angles?
A. ?1 = 75°, ?2 = 15° B. Not enough information to solve C. ?1 = 150°, ?2 = 30° D. ?1 = 144°, ?2 = 36°
Determine whether the given quadratic function has a maximum or minimum value. Then find the maximum or minimum value.h(x) = 3x2 + 2x - 1
A. minimum; - 
B. maximum; - 
C. maximum; - 
D. minimum; - 
Convert as indicated.72.05 mm to meters
A. 7205 m B. 0.07205 m C. 72,050 m D. 0.7205 m
Solve the problem.A reservation clerk worked 12.15 hours one day. She spent twice as much time entering new reservations as she did verifying old ones and one and a half as much time calling to confirm reservations as verifying old ones. How much time did she spend entering new reservations?
A. 4.05 hours B. 5.4 hours C. 2.7 hours D. 10.8 hours