Find the derivative of y with respect to x.y = 5x3 sin-1 x
A. 
+ 15x2 sin-1 x
B. 
+ 15x2
C. 
D. 
+ 15x2 sin-1 x
Answer: A
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Solve the equation.2(x + 5) = 3(x - 6)
A. 28 B. -8 C. all real numbers D. ?
Solve.It is estimated that y, the number of items of a particular commodity (in millions) sold in the United States in year x, where x represents the number of years since 1990, is given by the formula 
That is, 
represents 1990, 
represents 1991, and so on. According to the formula, how many items sold in 1995?
A. 10.87 millions B. 3.07 millions C. 9.57 millions D. 21.85 millions
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
Use the Change-of-Base Formula and a calculator to evaluate the logarithm. Round your answer to three decimal places. log50.981
A. -83.900 B. -0.008 C. 5.097 D. -0.012