Perform the indicated operation.
+ 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the problem.Find the current I as a function of time in an RCL circuit if R = 10 ?, L = 0.025 H, 
and 
Assume that 
and 
at 
(when the switch is closed).
A. I = 0.888e-160t sin 600t + 0.823e-160t cos 600t B. I = 0.867e-200t sin 600t C. I = 0.823e-200t sin 600t + 0.802e-200t cos 600t D. I = 0.867e-160t cos 600t
Mathematics
Find the nth term an of the geometric sequence.an = 
; 4, - 
, 
, . . . .
A. n = 5 B. n = 10 C. n = 12 D. n = 7
Mathematics
Graph the equation by plotting points.y = -5x 
A. 
B. 
C. 
D. 
Mathematics
In the previous problem, using the notation 
, and letting 
, the equation becomes
Select the correct answer.
?
A. 
B. 
C. 
D. 
E. 
Mathematics