Determine whether the given ordered pair is a solution of the system.(2, -5)4x - y = 3 3x - 4y = -14
A. solution
B. not a solution
Answer: B
Mathematics
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Reverse the order of integration and then evaluate the integral.
A. 
(e81 - 1)
B. 
(e81 - 1)
C. 
e81
D. 
e81
Mathematics
Find the unit tangent vector T and the principal unit normal vector N. r(t) = (cosh t)i + (sinh t)j + tk
A. T = 
(tanh t)i + 
j + 
(sech t)k; N = (sech t)i - (tanh t)k
B. T = - 
(tanh t sech t)i + 
j + 
(sech t)k; N = (-sech t)i - (tanh t)k
C. T = 
(tanh t sech t)i + 
j + 
(sech t)k; N = (sech2 t)i - (sinh t)k
D. T = - 
(tanh t)i + 
j + 
(sech t)k; N = (-sech t)i - (sinh t)k
Mathematics
Match the correct function to the graph.
A. y = |1 - x| B. y = |x + 2| C. y = |2 - x| D. y = x - 2
Mathematics
Evaluate the square root.
A. 
B. 
C. 
D. 
Mathematics