Set up a definite integral that gives the arc length of the given curve.x = t, y = t6, 0 ? t ? 1
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the problem.At what times in the interval 0 ? t ? ? are the velocity and the acceleration vectors of the motion 
orthogonal?
A. t = 
B. t = 0; t = 
; t = ?
C. Velocity and acceleration vectors are orthogonal for all t in 0 ? t ? ?.
D. t = 0
Mathematics
Round as indicated.7781 to the nearest hundred
A. 7700 B. 7900 C. 7790 D. 7800
Mathematics
Solve the problem.Erik Allen repairs photocopy machines. According to his schedule, he needs to visit 9 different offices today. How many ways can Erik visit these offices and return to his headquarters?
A. 72 B. 40,320 C. 9 D. 362,880
Mathematics
Solve by using the quadratic formula.x2 - 24 = 0
A. {576}
B. {±6
}
C. {±12}
D. {±2
}
Mathematics