Subtract.10 - (-9)
A. 1
B. -19
C. 19
D. -1
Answer: C
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Solve the problem.A signal is made by placing 3 flags, one above the other, on a flag pole. If there are 9 different flags available, how many possible signals can be flown?
A. 729 B. 84 C. 504 D. 27
Use Taylor's formula to find the requested approximation of 
near the origin.Quadratic approximation to 
A. 8x + y
B. 8x + y + 4x2 + 
xy + 
y2
C. 8x + y + 4x2 + 
y2
D. 8x + y + 4x2 + y2
Solve the problem.The current in the circuit is mA. Determine the voltage across the combination of the capacitor, the resistor, and the inductor (between a and d).XC = 2700 ?R = 1650 ?XL = 2750 ? 
? I
A. V = 39.6 V B. V = 4.2 V C. V = 16.1 V D. V = 0.4 V
Determine whether the given number is a zero of the polynomial function.P(x) = -x4 + 2x2 + 4x + 3; -1
A. No B. Yes