Solve the problem by integration.Find the x-coordinate of the centroid of the first-quadrant area bounded by 
and 
A. -1.442
B. -2.884
C. 0.685
D. 1.369
Answer: D
Mathematics
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Find the area of the figure. Use 3.14 for ?. Round your answer to the nearest tenth.
A. 53.9 in.2 B. Not enough data C. 36.8 in.2 D. 68.1 in.2
Mathematics
Solve the equation. Express radicals in simplest form.(x + 16)2 - 6 = 0
A. {-4 + 
, -4 - 
}
B. {16 + 
, 16 - 
}
C. {-10, 22}
D. {-16 + 
, -16 - 
}
Mathematics
Solve the logarithmic equation algebraically. Approximate the result to three decimal places.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Using a grapher, graph f and f ? over the given interval. Then estimate points at which the tangent line to f is horizontal. Sketch the graphs.
Mathematics