Use your calculator to solve the problem.The impedance (in ohms) of a series RLC circuit is given by the expression 
, where R is the resistance of the resistor, XL is the reactance of the coil, and XC is the reactance of the capacitor. What is the impedance of a circuit containing a 340 ohm resistor, a coil with a reactance of 2422 ohms, and a capacitor with a reactance of 896 ohms? (All values are approximate.)
A. 6.0 × 1012 ohms
B. 830 ohms
C. 1600 ohms
D. 2,400,000 ohms
Answer: C
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Evaluate the expression for the given value of the variable.
for x = 5
A. -3 B. 3 C. 57 D. 0
Determine the possible number of positive real zeros and negative real zeros of the polynomial function using Descartes' rule of signs.f(x) = 4x3 - 9x2 + x + 2
A. 3 or 1 positive zeros, 1 negative zero B. 2 or 0 positive zeros, no negative zeros C. 2 or 0 positive zeros, 1 negative zero D. 3 or 1 positive zeros, 2 or 0 negative zeros
Determine the equation of the line described. Put answer in the slope-intercept form, if possible.Through (8, -9), perpendicular to x = -5
A. x = -5 B. y = -9 C. y = -5 D. y = 9
Find the asymptotes of the hyperbola.
- 
= 1
A. y = 
x, y = - 
x
B. y = 
x, y = - 
x
C. y = 
x + 1, y = - 
x + 1
D. y = 
x + 1, y = - 
x + 1