Perform the indicated operation.(2n5 - 19n4 - 17) - (5n5 - 2n4 + 13)
A. -3n5 - 14n4 - 4
B. -50n9
C. -3n5 - 17n4 - 4
D. -3n5 - 17n4 - 30
Answer: D
Mathematics
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Solve the given differential equation.D4y + 5 D3y - 9 D2y - 45 Dy = 0
A. y = C1 + C2e3x + C3e-3x+ C4e-5x B. y = C1 + C2e3x + C3e-3x + C4e5x C. y = C1e3x + C2e-3x + C3e5x D. y = C1e3x + C2e-3x+ C3e5x
Mathematics
Provide an appropriate response.If the mean and median are equal for the set 
, what can you say about the value of x?
A. x = 6 B. x = 1, x = 6, or x = 11 C. Not possible D. x = 0, x = 6, or x = 12
Mathematics
Sketch the graphs of the functions f and g and find the area of the region enclosed by these graphs and the vertical lines 
and 
.
?
?
A. ?
sq units.
?
B. ?
sq units.
?
C. ?
sq units.
?
D. ?
sq units.
?
Mathematics
Graph the inequality.y ? -2 - 2x 
A. 
B. 
C. 
D. 
Mathematics