Graph the solution of the rational inequalities on a number line and write the solution in interval notation. 
? 0
A. [-5, ?)
B. (-?, -6] ? [-5, ?)
C. (-6, -5]
D. (-?, -6) ? [-5, ?)
Answer: D
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Solve the problem.In a parallel electrical circuit, the impedance Z can be calculated using the equation 
= 
where Z1 and Z2 are the impedances for the branches of the circuit. The phase angle measures the phase difference between the voltage and the current in an electrical circuit. If the impedance Z is expressed in the form 
, ? can be determined by the equation tan 
style="vertical-align: -4.0px;" />. Determine the phase angle ? (in degrees) for a parallel circuit in which 
and 
A. 30°
B. 45°
C. 0°
D. 60°
For the given function, find all asymptotes of the type indicated (if there are any).f(x) = 
, vertical
A. x = 5 B. x = 2, x = -2 C. None D. x = -5
Use Euler's method to approximate the indicated function value to three decimal places using 
= 4x + 3; y(1) = 2; find y(1.4)
A. 2.770 B. 3.080 C. 3.630 D. 5.040
Find the opposite of the number.-18
A. - 
B. 0
C. 18
D. -18