Solve the problem.Find the area of the shaded region. Express the answer in terms of ?. 
A. 
? - 9 square units
B. 
?- 9 square units
C. 3?- 3 square units
D. 9 square units
Answer: A
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Identify the type of surface represented by the given equation.
+ 
= 
A. Elliptical cone B. Paraboloid C. Ellipsoid D. Hyperbolic paraboloid
Solve the problem.Find the tangent to y = 2 - sin x at x = ?.
A. y = x - ? + 2 B. y = x - 2 C. y = - x + 2 D. y = - x + ? - 2
Use Bayes' rule to find the indicated probability.The incidence of a certain disease on the island of Tukow is 4%. A new test has been developed to diagnose the disease. Using this test, 91% of those who have the disease test positive while 4% of those who do not have the disease test positive (false positive). If a person tests positive, what is the probability that he or she actually has the disease?
A. 0.438 B. 0.487 C. 0.91 D. 0.856
Provide an appropriate response.The graph of y > 0 lies in which 2 quadrants?
Fill in the blank(s) with the appropriate word(s).