Solve the equation.log2(2x + 7) = log2(2x + 3)
A. {2}
B. 
C. {0}
D. ?
Answer: D
Mathematics
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Find the mode(s) for the given sample data. Last year, nine employees of an electronics company retired. Their ages at retirement are listed below. Find the mode(s).56?61?5951?54?6268?5850
A. 57.7 B. 56, 61, 59, 51, 54, 62, 68, 58, 50 C. No mode D. 58
Mathematics
Solve the given differential equation.
+ 5
+ 4y = xex + 7
A. y = c1e-4x + c2e-x - 
ex - 
xex + 
B. y = c1e-4x + c2e-x - 
ex + 
xex + 
C. y = c1e-4x + c2e-x + 
ex - 
xex + 
D. y = c1e-4x + c2e-x + 
ex + 
xex + 
Mathematics
Find the slope of the tangent line at the given value of the independent variable.g(x) = 
, x = 9
A. 
B. 
C. - 
D. - 
Mathematics
Solve the equation by completing the square.x2 + 4x = 9
A. {-2 ± 
}
B. {-1 ± 
}
C. {2 + 
}
D. {-2 ± 2
}
Mathematics