Express the value of the inverse hyperbolic function in terms of natural logarithms.coth-1 
A. 
ln -15
B. 
ln 120
C. 0
D. 
ln 15
Answer: D
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Find the vertices of the hyperbola.36(y + 5)2 - 9(x + 3)2 = 324
A. (-3, 5) and (9, 5) B. (-3, -2) and (-3, -8) C. (3, 8) and (3, 2) D. (-9, -5) and (3, -5)
Find a value of ? in [0°, 90°] that satisfies the statement. Leave answer in decimal degrees rounded to seven decimal places, if necessary.tan ? = 1.5047547
A. 33.6064283° B. 236.393572° C. 56.3935717° D. 123.606428°
Graph the pair of parametric equations in the rectangular coordinate system.x = t2, y = 2 ln t ; 0 < t < ? 
A. 
B. 
C. 
D. 
Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists. x + y + z = 7 x - y + 2z = 7
A. {(8, -3, 2)}
B. {(4, 1, 2)}
C. {(- 
z + 7, 
z, z)}
D. {(-3z + 14, 2z - 7, z)}