Find 
for the given function.y = 3 cot 
A. -6 csc 
B. - 
csc2 
C. 6 csc2 
cot 
D. 
csc2 
cot 
Answer: D
Mathematics
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Find the general solution of the equation. Express the solution explicitly as a function of the independent variable.u'(x) = e3x-6u
A. u = 6 ln
+ C
B. u = 
ln
C. u = 
ln
+ C
D. u = 6 ln
Mathematics
Factor completely.20x2 - 3x - 9
A. (4x + 3)(5x - 3) B. cannot be factored C. (20x - 3)(x + 3) D. (4x - 3)(5x + 3)
Mathematics
Solve the equation.4
+ 4 = 16 Round your answer to the nearest hundredth.
A. {-3 , 3} B. {3} C. {0, 0} D. {0}
Mathematics
Graph the parabola described.Vertex at (0, 0); Directrix the line y = -2
A. 
B. 
C. 
D. 
Mathematics