Find the requested value for the given functions.f(x) = 3x + 7, g(x) = -9x - 7Find (f ? g)(-3).
A. 0
B. -80
C. 40
D. -40
Answer: D
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Change the order of integration and evaluate the integral.
A. 
B. 
C. 
?
D. 
?
Find the slope of the line with the given inclination. Round your answer to the nearest thousandth, if necessary.32.0°
A. -0.625 B. 1.600 C. -1.600 D. 0.625
Solve the problem.Find the moment of inertia about the z-axis of a region of constant density ? enclosed by the paraboloid 
and the xy-plane.
A. 
??
B. 
??
C. 
??
D. 
??
Solve the problem.A painter is going to apply a special coating to a triangular metal plate on a new building. Two sides measure are 14.6 m and 6.4 m. She knows that the angle between these sides is 24.6°. What is the area of the surface she plans to cover with the coating? Round to the nearest square meter.
A. 17 m2 B. 42 m2 C. 44 m2 D. 19 m2