Solve the problem.The positions of two particles on the s-axis are s1 = sin t and 
with s1 and s2 in meters and t in seconds.At what time(s) in the interval 0 ? t ? 2? do the particles meet?
A. t = 
? sec and t = 
? sec
B. t = 
? sec and t = 
? sec
C. t = 
? sec and t = 
? sec
D. t = ? sec and t = 2? sec
Answer: C
Mathematics
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Find a parametrization for the line segment joining the points.(-2, 5, 2), 
A. x = -2t, y = 5t, z = 
t + 1, 0 ? t ? 1
B. x = 2t - 2, y = 5, z = - 
t + 2, 0 ? t ? 1
C. x = 2t - 2, y = 5t, z = - 
t + 2, 0 ? t ? 1
D. x = -2t, y = 5, z = 
t + 1, 0 ? t ? 1
Mathematics
Indicate the period and the range of the given function.y = 2 sec 
A. P = 2?; Range: 
? 2
B. P = 12; Range: 
? 2
C. P = 12?; Range: 
? 2
D. P = ?; Range: 
? 2
Mathematics
Graph the function.y = 2 sec (3x)
A. 
B. 
C. 
D. 
Mathematics
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.tan ? = 3, ? < ? < 
Find tan 
.
A. 
B. 
C. 
D. 
Mathematics