Solve the problem.Use Ohm's Law, I = 
, to find the voltage V, given current 
and impedance 
A. 19(cos 100° + i sin 20°)
B. 60(cos 120° + i sin 120°)
C. 60(cos 20° + i sin 10°)
D. 19(cos 120° + i sin 120°)
Answer: B
Mathematics
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Find the limit, if it exists.
A. 0 B. 3x2 + 3xh + h2 C. Does not exist D. 3x2
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Find all points where the function is discontinuous.
A. x = 2 B. x = 4, x = 2 C. x = 4 D. None
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Find the x- and y-intercepts of the graph of the given equation, if they exist. Then graph the equation.y = 7
A. x: 7; y: none
B. x: none; y: 7
C. x: 7; y: none
D. x: none; y: 7
Mathematics
Find an approximate equation y = abx of the exponential curve that contains the given pair of points. Round the values of a and/or b to two decimal places, if necessary.(0, 3) and (5, 131)
A. y = 3(1.92)x B. y = 3(218.33)x C. y = 3(2.13)x D. y = 3(8.73)x
Mathematics