Find the requested partial derivative.z = (8x + 5y)2; 
(-1, 2)
A. -128
B. 32
C. 16
D. 26
Answer: B
Mathematics
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Multiply.[x + (y + 6)][x - (y + 6)]
A. x2 + 12x - 12y + y2 - 36 B. x2 + 2xy + y2 - 36 C. x2 - 2xy - 12y - y2 + 36 D. x2 - y 2 - 12y - 36
Mathematics
Evaluate the given definite integral.
?
?
A. 
B. 
C. 
D. 
Mathematics
Find functions f and g so that f ? g = H.H(x) = 
A.
| f(x) = 5; | g(x) =  |
B.
f(x) =  ; | g(x) = 5x + 1 |
C.
f(x) =  ; | g(x) = 5 |
D.
f(x) =  ; | g(x) = 5x + 1 |
Mathematics
Evaluate.
dx
A. 
+ 7x2 + C
B. 
- 
+ C
C. 3x2 - 7 + C
D. 
- 
+ C
Mathematics