Graph the parabola or ellipse. Include the directrix that corresponds to the focus at the origin.r = 
A. 
B. 
C. 
D. 
Answer: C
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Evaluate the integral.
dx
A. 8 B. -3 C. 11 D. 3
Simplify by combining like terms.-7x + (-5x)
A. -12x B. 12x C. -2x D. 2x
Combine like terms. Then write the polynomial in descending order of powers.-4z4 + 2z5
A. -2z9 B. 2z5 - 4z4 C. -2z4 D. -2z2
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