Find the period of the wave whose frequency is 6.2 MHz.
A. 0.15 s
B. 0.16 ms
C. 0.15 ms
D. 0.16 ?s
E. 0.15 ?s
Answer: D
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Follow the order of operations to work the problem.-14 + 6 - 3
A. -5 B. 11 C. -17 D. -11
Solve the equation and check your solution.-2.4 = 10.7 - x
A. 12.6 B. 13.1 C. 8.3 D. 7.8
An object attached to a coiled spring is pulled down a distance a from its rest position and then released. Assuming that the motion is simple harmonic with period T, write an equation that relates the displacement d of the object from its rest position after t seconds. Also assume that the positive direction of the motion is up.a = 5;
T = 10 seconds
A. d = 5 cos (10t)
B. d = 5 cos 
C. d = -5 cos (10t)
D. d = -5 cos 
Find the maximum or minimum value of the objective function, subject to the constraints graphed in this feasible region. 
z = x + 7y + 9 Find minimum.
A. Minimum 27 B. Minimum 46 C. No Minimum D. Minimum 34