Perform the operation and write the result in the standard form.(-4 - 3i) - (5 - i)
A. 9 + 2i
B. -9 + 2i
C. -9 - 2i
D. -9 - 3i
Answer: C
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Find the reference angle for the given angle. -202°
(a) 22° (b) 58° (c) 158° (d) 52° (e) 82°
Determine the indefinite integral.
, x < ln 2
A. 
tanh-1 
+ C
B. - 
csch-1 
+ C
C. sinh-1 
+ C
D. - 
sech-1 
+ C
Subtract.-230 - (-440)
A. 210 B. -210 C. 670 D. -670
Use Bayes' rule to find the indicated probability.Quality Motors has three plants. Plant 1 produces 35% of the car output, plant 2 produces 20% and plant 3 produces the remaining 45%. One percent of the output of plant 1 is defective, 1.8% of the output of plant 2 is defective and 2% of the output of plant 3 is defective. The annual total production of Quality Motors is 1,000,000 cars. A car chosen at random from the annual output and is found defection. What is the probability that it came from plant 2?
A. 0.35 B. 0.559 C. 0.224 D. 0.217