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
Answer: B
Mathematics
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Sketch the graph of the polynomial function.f(x) = x3 + 3x2 - x - 3
A. 
B. 
C. 
D. 
Mathematics
Solve the equation by the method of your choice. Simplify irrational solutions, if possible.4x2 + 8x + 1 = 0
A. 
B. 
C. 
D. 
Mathematics
Determine whether the relation defines y as a function of x. Give the domain.x = y6
A. Function; domain: (-?, ?) B. Not a function; domain: [0, ?) C. Not a function; domain: (-?, ?) D. Function; domain: [0, ?)
Mathematics
Solve the equation.
- 
= 1
A. 3 B. 3, -1 C. No solution D. -3, -1
Mathematics