Simplify.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the problem.If the switch is thrown open after the current in an RL circuit has built up to its steady-state value, the decaying current obeys the equation 
How long after the switch is thrown open will it take the current to fall to 
of its original value?
A. -4.60 L/R seconds B. 0.92 L/R seconds C. -4.40 L/R seconds D. 1.12 L/R seconds
Mathematics
Predict the general, or nth term, an, of the sequence.0, log 10, log 100, log 1000, log 10,000, . . .
A. log 10n-1, or n - 1 B. log 10n, or n C. logn 10, or n D. (log 10)n, or n + 1
Mathematics
Match f(x) with its graph. Assume that a and b are constants with 0 < a < 1 < b.f(x) = xa
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operation and simplify.
+ 
A. 
B. 
C. 1
D. 
Mathematics