Use the graph of y = g(x) to answer the question.
What is the domain of g?
A. {x| -4 < x < -1 or -1 < x < 2 or 2 < x ? 5}
B. {x| -4 ? x <4 or 4 < x ? 5}
C. {x| -4 < x < 5}
D. {x| -4 ? x < 5}
Answer: B
Mathematics
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Use the method of undetermined coefficients to solve the differential equation.y'' - 5y' + 4y = 5 cos x
A. y = (C1 + C2x)e4x + 
cos x - 
sin x
B. y = C1 cos 4x + C2 sin 4x + 
sin x - 
cos x
C. y = C1e4x + C2ex + 
sin x - 
cos x
D. y = C1e4x + C2ex + 
cos x - 
sin x
Mathematics
Evaluate the integral.
A. 
sin 3x - 
sin 7x+ C
B. - 
cos 7x - 
sin 7 x + C
C. - 
cos 7x - 
cos 3x + C
D. 
sin 3x + 
sin 7x+ C
Mathematics
Decide whether or not the ordered pair is a solution of the system.(6, -5)3x = -23 - y2x = -27 - 3y
A. Yes B. No
Mathematics
Solve. Give your answer as a mixed number if appropriate.
= 
A. 0 B. 4 C. 2 D. 1
Mathematics