Rationalize the denominator.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the center of mass of a thin plate of constant density covering the given region.The region between the curve y = 
and the x-axis from 
to 
A. 
= 
, 
= 
ln 36
B. 
= 
, 
= 
ln 36
C. 
= 860, 
= 36 ln 36
D. 
= 
ln 36, 
= 
Mathematics
Find the range of the quadratic function.f(x) = -7(x - 3)2 - 7
A. (-?, 3] B. [-7, ?) C. (-?, -7] D. [-3, ?)
Mathematics
Find the equilibrium point.D(x) = e-x + 13.2, S(x) = ex - 7.8
A. (10.5, $29.76) B. (10.5, $14.88) C. (21, $221.41) D. (2.7, $0.01)
Mathematics
Solve.A garden contains two square vegetable beds. Find the length of each bed if the sum of their areas is 701 ft2 and the difference of their areas is 651 ft2.
A. 1352 ft and 50 ft B. 26 ft and 5 ft C. 7 ft and 3 ft D. 37 ft and 3 ft
Mathematics