Add and simplify.
+ 
A. 
B. 0
C. 
D. 
Answer: D
Mathematics
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Find Dxy.y = cosh3x
A. 3 cosh2x sinh x B. 3 sinh2x C. - 3 cosh2x sinh x D. 3 cosh2x
Mathematics
Graph the solution set of the system of inequalities.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Suppose that f(x) = 2x + 1. If f(x) = 1/33, what is x?
A. -5 B. 1 C. -1 D. 5
Mathematics
Which method should be used to solve the system? Explain your answer, including a description of the first step.5x2 + 3y2 =364x2 - 7y2 =100
What will be an ideal response?
Mathematics