Find Dxy.y = cosh3x
A. 3 cosh2x sinh x
B. 3 sinh2x
C. - 3 cosh2x sinh x
D. 3 cosh2x
Answer: A
Mathematics
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Solve the problem.Find the sum of the series 
.[Hint: Write the series as 1 + 
= 1 + 
+ 
.]
A. 4e - 5 B. e + 3 C. 3(e - 1) D. 2e
Mathematics
Solve the problem using Bayes' Theorem. Round the answer to the nearest hundredth, if necessary.For two events M and N, P(M) = 0.3, P(N?M) = 0.9, and P(N?M') = 0.6. Find P(M?N).
A. 0.61 B. 0 C. 0.39 D. 1.0
Mathematics
Find the given value.Find (f + g)(-1) when f(x) = x - 4 and g(x) = x + 6.
A. 0 B. 8 C. -4 D. -12
Mathematics
Find all integer factors of the given number.19
A. -19, -9, -2, -1, 1, 2, 9, 19 B. -19, -9, -6, -3, -2, -1, 1, 2, 3, 6, 9, 19 C. -19, -9, -6, -4, -2, -1, 1, 2, 4, 6, 9, 19 D. -19, -1, 1, 19
Mathematics