Factor completely, or state that the polynomial is prime.x4 - 18x2y2 + 81y4
A. (x + 3y)4
B. (x + 3y)2(x - 3y)2
C. (x - 3y)4
D. (x2 - 3y2)2
Answer: B
Mathematics
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Find the oblique asymptote, if any, of the rational function.f(x) = 
A. x = y + 2 B. y = x - 5 C. None D. y = x + 5
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Solve the problem.If a resistor and inductor are connected in series to a battery of emf ?, the current in the circuit is given by 
where ? is the time constant of the circuit, R is the resistance, and t is the time since the circuit was closed. Find the expression for dI/dt.
A. - 
et/?
B. 
e-t/?
C. 
D. 
e-t/?
Mathematics
Answer the following statement(s) true (T) or false (F)
Watson (2002) found that it is best to avoid asking lower-achieving students to work with concepts related to vectors.
Mathematics
Solve the equation for exact solutions.arcsin
= 
A. 
B. ?
C. 
D. 
Mathematics