Find the value of x. 
A) x = 81
B) x = 3
C) x = 4
D) x = 41
C) x = 4
Mathematics
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Solve the problem.Given the velocity and initial position of a body moving along a coordinate line at time t, find the body's position at time t.v = cos 
t, s(0) = 1
A. s = 2? sin 
t
B. s = sin t
C. s = 
sin 
t
D. s = 
sin 
t + ?
Mathematics
Find the general equation of the orthogonal trajectories of the curves for the given equations.The exponential curves y = ce-4x
A. 8y2 = x2 + c B. 4y2 = x + c C. 4y2 = 2x - c D. 4y2 = x2 - c
Mathematics
Solve the problem. Leave your answer in polar form.z = 8
w = 3
Find 
.
A. 
B. 5
C. 5
D. 
Mathematics
Express the sum using summation notation with a lower limit of summation not necessarily 1 and with k for the index of summation.3 + 
+ 4 + 
+ ... + 
A. 
B. 
C. 
D. 
Mathematics