Find the annual amount of depreciation using the units-of-production method. Round to the nearest dollar.Depreciation per unit: $0.36Units of production: 23,000
A. $8,280
B. $639
C. $828
D. $6,389
Answer: A
Mathematics
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Find fx, fy, and fz.f(x,y,z) = xe(x2 + y2 + z2)
A. fx = (1 + 2x2) e(x2 + y2 + z2); fy = 2xye(x2 + y2 + z2); fz = 2xze(x2 + y2 + z2) B. fx = (1 + 2x2) e(x2 + y2 + z2); fy = xe(x2 + y2 + z2); fz = xe(x2 + y2 + z2) C. fx = 2x2e(x2 + y2 + z2); fy = xye(x2 + y2 + z2); fz = 2xze(x2 + y2 + z2) D. fx = (1 + 2x2) e(x2 + y2 + z2); fy = xy2e(x2 + y2 + z2); fz = xz2e(x2 + y2 + z2)
Mathematics
Determine the indefinite integral. Check your work by differentiation.
dx
A. 
- 
- 
+ C
B. 
- 
- 
+ C
C. 
- 
+ 
+ C
D. -5x4 - 5x5 + C
Mathematics
Simplify.9x3(7x7 + 8)
A. 63x7 + 72 B. 135x3 C. 63x10 + 8 D. 63x10 + 72x3
Mathematics
Find the derivative of the function and evaluate f'(x) at the given value of x.
?
?
A. 
B. 
C. 
D. 
Mathematics