Find the second-order partial derivative.Find fxx when f(x, y) = 8xexy.
A. 8(xy2exy + yexy + exy)
B. 8xy2exy + 16yexy
C. 8(xexy + x2yexy)
D. 8x2y2exy
Answer: B
Mathematics
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Find the domain of the rational function.g(a) = 
A. {
a is any real number}
B. {
a ? 3, -3, -11}
C. {
a ? 3, -3}
D. {
a ? 3}
Mathematics
Choose the description that matches the equation of the conic section.(x + 7)2 + (y + 8)2 = 25
A. A circle with its center not at the origin. B. A circle with its center at the origin. C. An ellipse with its center not at the origin. D. An ellipse with its center at the origin.
Mathematics
Sketch the graph of the rational function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Subtract.
A. 130 B. 44 C. 84 D. 38
Mathematics