Simplify the expression. Assume that all variables represent nonnegative real numbers.-4
- 4
A. -8x
B. 12
C. -12
D. -4
Answer: C
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Solve the problem.A right triangular plate of base 6.0 m and height 3.0 m is submerged vertically, as shown below. Find the force on one side of the plate if the top vertex is 1 m below the surface. 
6.0 m
A. 210,000 N B. 180,000 N C. 150,000 N D. 410,000 N
Set up the iterated integral for evaluating 
Dover the given region D.D is the solid right cylinder whose base is the region in the xy-plane that lies inside the cardioid 
and outside the circle 
and whose top lies in the plane 
.
A. 
B. 
C. 
D. 
Graph the function.f(x) = log5(x + 1)
A. 
B. 
C. 
D. 
The letters r and ? represent polar coordinates. Write the equation using rectangular coordinates (x, y).r = 
A. x2 = 10y - 25 B. x2 = 25 - 10y C. y2 = 10x - 25 D. y2 = 25 - 10x