Find the partial derivative.f(x, y) = x3 + 8x2y - 9xy3. Find fy(x, y).
A. 8x2 - 27xy2
B. 8x2 - 9xy2
C. 8x2y - 27y2
D. x3 + 16xy - 27xy2
Answer: A
Mathematics
You might also like to view...
Evaluate the integral.
A. 
sin 3x - 
sin 7x+ C
B. - 
cos 7x - 
sin 7 x + C
C. 
sin 3x + 
sin 7x+ C
D. - 
cos 7x - 
cos 3x + C
Mathematics
Use the given information to find the unknown length represented by the variable x.A rectangle with a perimeter of 256 feet
x
A. 105 ft B. 2415 ft C. 151 ft D. 128 ft
Mathematics
Graph the function.f(x) = 
x
A. 
B. 
C. 
D. 
Mathematics
Find the additive inverse (opposite).-30
A. - 
B. 0
C. 30
D. -30
Mathematics