Write the repeating decimal number as a fraction.0.0149149149 . . .
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.Evaluate 
by writing the integrand as an integral.
A. ln 
B. 
ln 1
C. 
ln 2
D. 
ln 2
Use substitution to determine whether the system of linear equations has no solutions, one solution, or infinitely many solutions.x - 4 = yy + 9 = x
A. No solutions B. Infinitely many C. One
Simplify.81 ÷ 3 + {6 ? [18 - (2 ? 2)]}
A. 101 B. 114 C. 106 D. 111
Find all the second order partial derivatives of the given function.f(x, y) = cos xy2
A. 
= - y2 sin xy2; 
= 2[ sin (xy2)- 2y2 cos (xy2)] ; 
= 
= 2y [sin (xy2)-y2 cos (xy2)]
B. 
= y2 sin xy2; 
= 2[2y2 cos (xy2) - sin (xy2)] ; 
= 
= 2y[y2 cos (xy2) - sin (xy2)]
C. 
= -y4 cos xy2; 
= - 2x[2xy2 cos (xy2) + sin(xy2)]; 
= 
= - 2y[xy2 cos (xy2) + sin(xy2)];
D. 
= - y2 sin xy2; 
= 2y
; 
= 
= 2