Solve the equation. Write complex solutions in standard form.9x2 + 7x + 4 = 0
A. 
± 
B. - 
± 
C. 
± i
D. - 
± i
Answer: D
Mathematics
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Find the center of mass of a thin plate of constant density covering the given region.The region in the first and fourth quadrants enclosed by the curves 
and 
and by the lines 
and 
A. 
= 
, 
= 0
B. 
= 
, 
= 0
C. 
= 
, 
= 0
D. 
= 0, 
= 
Mathematics
Find the horizontal asymptote, if any, of the rational function.f(x) = 
A. y = 0 B. y = 1 C. y = 3 D. None
Mathematics
Simplify the expression.
3/2
A. - 
B. 
C. - 
D. 
Mathematics
Determine whether the given ordered pair is a solution of the system.(2, -4)4x = 4 - y2x = -12 - 4y
A. not a solution B. solution
Mathematics