Find the difference, regrouping when necessary.
A. 836
B. 1026
C. 736
D. 834
Answer: A
Mathematics
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Use the method of variation of parameters to solve the differential equation.36D2y - y = sin x
A. y = C1ex/6 + C2e-x/6 - sin x
B. y = C1ex/6 + C2e-x/6 - sin x +
cos x
C. y = C1ex/6 + C2e-x/6 + sin x
D. y = C1ex/6 + C2e-x/6 - cos x
Mathematics
Solve the problem.If an object is thrown upward with an initial velocity of 128 ft/s, its height after t seconds is given by Find the object's height after 4.0 seconds.
A. 128 ft B. 240 ft C. 112 ft D. 256 ft
Mathematics
Give two interpretations of the shaded region.
Mathematics
Use a graphing utility to solve the system of linear equations and give the solution of the system.
A.
x = 9, y = 5, z = 1
B.
x = , y = -
, z = 9
C.
x = 1, y = 5, z = 9
D.
x = , y = -
, z = 9
Mathematics