9y" = 2y'
Solve the differential equation.
Mathematics
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Write the equation for the plane.The plane through the point P(-6, 6, -4) and parallel to the plane 
A. -6x + 6y - 4z = -44 B. 4x + 8y + 6z = -44 C. 6x + 4y + 8z = -44 D. 6x + 4y + 8z = 44
Mathematics
Solve the problem.An object at the end of a spring is immersed in liquid. Its velocity (in cm/s) is then described by the equation 
where t is the time (in s). Find the displacement s as a function of t if s = -4 cm for t = 0.
A. s = -e-2t - 
e-8t - 
B. s = e-2t + 
e-8t - 
C. s = -e-2t + 
e-8t + 
D. s = -e-2t - 
e-8t + 
Mathematics
Perform the indicated operation and simplify.
- 
A. 
B. 
C. 
D. 
Mathematics
Match the given equation with one of the graphs.49x2 + 9y2 = 441
A. 
B. 
C. 
D. 
Mathematics