Find the largest open interval where the function is changing as requested.Decreasing f(x) = 
A. (4, ?)
B. (-?, 4)
C. (-4, ?)
D. (-?, -4)
Answer: B
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Determine the component representation and magnitude of the vector having the initial point P and the terminal point Q.P(5, 9) and Q(1, 15)
A. 
, 2
B. 
, 2
C. 
, 52
D. 
, 52
Solve the problem.The shape and density of a thin shell are indicated below. Find the moment of inertia about the z-axis.Shell: "nose" of the paraboloid x2 + y2 = 2z cut by the plane z = 1Density: ? = 
A. Iz = 
?
B. Iz = 
?
C. Iz = 16?
D. Iz = 2?
Solve the given applied problems involving variation.The volume V of a given mass of gas varies directly as the temperature T and inversely as the pressure P. If 
when 
and 
what is the volume when 
and 
A. 350 in.3 B. 370 in.3 C. 360 in.3 D. 330 in.3
Find the given power. Write answer in rectangular form.(1 - i)10
A. -32 + 32i B. 32 C. 32 - 32i D. -32i