Find the second-order partial derivative.Find fxy when f(x,y) = 8x3y - 7y2 + 2x.
A. 48xy
B. -14
C. -28
D. 24x2
Answer: D
Mathematics
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Identify the quadrilateral.
A. Rhombus B. Parallelogram C. Square D. Rectangle
Mathematics
Change the order of integration and evaluate the integral.
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
For the given functions f(x) and g(x), find (f + g)(x) or (f - g)(x) as indicated.f(x) = -9x + 8, g(x) = -6x + 9Find (f - g)(x).
A. -3x + 18 B. 3x C. -3x - 1 D. -15x - 1
Mathematics
Determine the equation of the line described. Put the answer in the slope-intercept form, if possible.Through (1, 13), parallel to 2x - 5y = -38
A. y = 
x + 
B. y = 
x + 
C. y = 
x + 
D. y = - 
x - 
Mathematics