Find f'(x) at the given value of x.f(x) = -11x2 + 6x; Find f'(3).
A. -54
B. -60
C. -48
D. -27
Answer: B
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Find the indicated vector in terms of i and j.If u = -11i - 2j and v = -7i + 7j, find u - v.
A. -4i - 9j B. -5i + 5j C. -18i + 5j D. -6i + 5j
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
Simplify the series of additions and subtractions.7 + 14 - 11
A. 32 B. 4 C. -18 D. 10
Find all of the cube roots of the perfect cube 
.
A. 
B. 
C. 
D. 
E. 