Determine whether the function is a solution of the wave equation.w(x, t) = cos (3t - 3cx), c ? 1
A. Yes
B. No
Answer: B
Mathematics
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Solve the rational equation. If there is no solution, state this as your answer.
- 
= 
A. {34}
B. {
}
C. {-34}
D. {68}
Mathematics
Perform the indicated operations. Leave the result in polar form.[3(cos 40° + j sin 40°)]4
A. 81(cos 404° + j sin 404°) B. 7(cos 160° + j sin 160°) C. 12(cos 160° + j sin 160°) D. 81(cos 160° + j sin 160°)
Mathematics
Graph the inequality.y ? 4x
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The position of an object moving in a straight line is given by s = 2t2 - 3t, where s is in meters and t is the time in seconds the object has been in motion. How long (to the nearest tenth) will it take the object to move 9 meters?
A. 10.0 sec B. 2.8 sec C. 3.0 sec D. 13.5 sec
Mathematics