Multiply.
(
- 
)
A. 
- 
B. 2
- x
C. x
- 
D. x
- x
Answer: D
Mathematics
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Find all the second order partial derivatives of the given function.f(x, y) = ln (x2y - x)
A. 
= 
; 
= - 
; 
= 
= - 
B. 
= 
; 
= 
; 
= 
= 
C. 
= 
; 
= - 
; 
= 
= - 
D. 
= 
; 
= - 
; 
= 
= - 
Mathematics
Solve the linear inequality. Other than ?, use interval notation to express the solution set and graph the solution set on a number line.8x - 4 ? 7x - 8
A. (-?, -4]
B. [-4, ?)
C. (-?, -4)
D. (-12, ?)
Mathematics
Find the area under the graph of y = x3 + 2x over the interval [1, 3].
What will be an ideal response?
Mathematics
Solve the system of equations.
A. x = -1, y = 1, z = -2 B. x = -2, y = -1, z = 1 C. inconsistent (no solution) D. x = -2, y = 1, z = -1
Mathematics