If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth. Variables represent any real number.
A. 36
B. 216
C. -6
D. 6
Answer: D
Mathematics
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Solve the problem.An auxiliary fuel tank for a helicopter is shaped like the surface generated by revolving the curve 
- 5 ? x ? 5, about the x-axis (dimensions are in feet). If a cubic foot holds 7.481 gallons and the helicopter gets 3 miles to the gallon, how many additional miles will the helicopter be able to fly once the tank is installed (to the nearest mile)?
A. 376 B. 125 C. 94 D. 188
Mathematics
Evaluate the derivative of the given function at the given point.xy3 - x5y2 = -4; (-1, 2)
A. 
B. - 
C. - 
D. - 
Mathematics
Find the derivative of the function.
?
?
A. ?
B. 
C. 
D. ?
Mathematics
Find the vertex of the parabola.y = 3x2 - 24x + 53
A. (5, 4) B. (-5, -4) C. (4, 5) D. (-4, -5)
Mathematics