Find the derivative of y with respect to the appropriate variable.y = (?2 + 4?) tanh-1 (? + 3)
A. (2? + 4) tanh-1 (? + 3) - 
B. - 
C. (2? + 4) - 
D. (2? + 4) tanh-1 (? + 3) - 
Answer: A
Mathematics
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Evaluate the given function with the following information: sin ? = 
(? in first quadrant) and cos ? = - 
(? in second quadrant).sin(? - ?)
A. 
B. - 
C. - 
D. 
Mathematics
Write the fraction as a decimal.
A. 0.45
B. 0.4
C. 0.
D. 0.
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Graph the solution of the system.3x - 2y ? 6 x - 1 ? 0
A. 
B. 
C. 
D. 
Mathematics
Factor the polynomial.343c3 + 8
A. (7c + 2)(49c2 - 14c + 4) B. (7c - 2)(49c2 + 14c + 4) C. (7c + 2)(49c2 + 4) D. (343c + 2)(c2 - 14c + 4)
Mathematics