Tell whether the function exhibits damped oscillation. If it does, identify the damping factor and tell whether the damping occurs as x ? ? or as x ? 0.f(x) = 
cos 3.7x
A. Damping factor = 
, damping occurs as x ? 0
B. Damping factor = 
, damping occurs as x ? ?
C. Damping factor = 3.7, damping occurs as x ? 0
D. No damping
Answer: D
Mathematics
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Rewrite the expression as the sum and/or difference of logarithms, without using exponents. Simplify if possible.logn
A. 
logn6 + 
lognx - 
lognz
B. 
logn6 + 5 lognx - 9 lognz
C. 
logn6 + 
lognx + 
lognz
D. 
logn6 - 
lognx - 
lognz
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Write the expression in the standard form a + bi.
A. 2 - 4i B. 2 + 4i C. 4 - 2i D. 4 + 2i
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Multiply and simplify. Assume variables do not cause any denominators to equal 0.-77
A. -88
B. - 
C. 56
D. -56
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Perform the indicated operation.(4x + 9) - (-4x2 - 2x + 9)
A. 4x2 - 6x B. -4x2 + 2x + 18 C. 4x2 + 6x D. 4x2 + 6x - 18
Mathematics