Find fx(x, y).f(x, y) = x ln (5x + 8y)
A. fx(x, y) = ln (5x + 8y) + 
B. fx(x, y) = 
+ ln (5x + 8y)
C. fx(x, y) = ln (5x + 8y)
D. fx(x, y) = 
Answer: B
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Solve the problem.An auxiliary fuel tank for a helicopter is shaped like the surface generated by revolving the curve 
- 2 ? x ? 2, about the x-axis (dimensions are in feet). How many cubic feet of fuel will the tank hold to the nearest cubic foot?
A. 3 B. 8 C. 7 D. 2
Solve.6p = 5(3p + 5)
A. - 
B. 
C. 
D. 
Provide an appropriate response.Indicate whether the following statement is true or false. If two of the rows of a 3 × 3 matrix are identical, but its other row is different, then the determinant of the matrix equals 0.
A. True B. False
Read the measurement shown on the metric micrometer.
__________ mm
Fill in the blank(s) with the appropriate word(s).