Find the second-order partial derivative.Find fyx when f(x, y) = ln(2x + 9y).
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the volume of the indicated region.the region bounded by the coordinate planes and the planes 
, 
A. 
B. 
C. 
D. 
Mathematics
Find the distance between the pair of points on the number line.12.4, -8.4
A. 2 B. 4 C. 20.8 D. 10.4
Mathematics
Use a graphing calculator to find all real solutions of the equation.
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Mathematics
Graph the function and its inverse on the same Cartesian plane.f(x) = log5 x
A. 
B. 
C. 
D. 
Mathematics