Use the method of undetermined coefficients to solve the differential equation.3
+ 40
+ 48y = -7e3x
A. y = c1e-12x + c2e4x/3 - 
e3x
B. y = c1e-12x + c2e-4x/3 - 
e3x
C. y = c1e-12x + c2e-4x/3 + 
e3x
D. y = c1e-12x + c2e-4x/3 - 
e3x
Answer: D
Mathematics
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? 
A. 
B. 
C. 
D. 
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Find the requested function value for the given function. Round the answer to the nearest tenth when necessary.If f(x) = 
, find the value of f(3).
A. 10 B. 2.4 C. 6 D. 3.2
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Simplify the expression.2 + 3(2 - 8m)
A. 8 - 24m B. 6 - 24m C. 8 + 24m D. 8 - 8m
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Multiply and simplify.(
+ 
)(
- 
)
A. 3 - 2
B. 9
C. 3 - 2
D. -3
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