Multiply.(2)(
)
A. 14
B. 
C. 5
D. 
Answer: B
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Find all the second order partial derivatives of the given function.f(x, y) = xye-y2
A. 
= 0; 
= 2xye-y2(2y2 - 3); 
= 
= e-y2(1 - 2y2)
B. 
= ye-y2; 
= 2xye-y2(2y2 - 6); 
= 
= e-y2(1 - 2y2)
C. 
= ye-y2; 
= 2xye-y2(y2 - 1); 
= 
= e-y2(1 - y2)
D. 
= 0 ; 
= 2xye-y2(2y2 - 3); 
= 
= e-y2(1 - y2)
Solve the problem.If m varies directly as p, and m = 54 when p = 6, find m when p is 8.
A. m = 36 B. m = 81 C. m = 64 D. m = 72
Provide an appropriate response.If 2 is substituted for x in the rational expression 
, the result is 
. An often-heard statement is "Any number divided by itself is 1." Does this mean that this expression is equal to 1 for x = 2? Explain why or why not.
What will be an ideal response?
Find the center of the hyperbola.7x2 - y2 - 56x + 10y - 165 = 0
A. (4, -1); B. (-4, -5) C. (-2, 5); D. (4, 5)