Determine the order of the matrix.
A. 6
B. 3 × 2
C. 2 × 3
D. 3
Answer: C
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Answer the question appropriately.Where does the periodic function f(x) = 5esin(x/2) take on its extreme values?
A. x = ±k?/5 where k is an even integer B. x is an odd integer C. x = ±k? where k is an even integer D. x = ±k? where k is an odd integer
Use the method of undetermined coefficients to solve the differential equation.3
- 13
+ 4y = xe-2x; 
= - 
and y = 
when x = 0
A. y = 
e4x - 
ex/3 - 
xe-2x + 
e-2x
B. y = 
e4x + 
ex/3 + 
xe-2x + 
e-2x
C. y = 
e4x - 
ex/3 + 
xe-2x + 
e-2x
D. y = 
e4x - 
ex/3 + 
xe-2x + 
e-2x
Solve the equation.
- 
= 6
A. 
B. 6
C. 
D. 
Solve the problem.The work W (in joules) done by a force F (in newtons) moving an object through a distance x (in meters) is given by 
Find a formula for W, if 
and k is a constant.
A. W = 
+ C
B. W = k + C
C. W = 
+ C
D. W = kx2 + C