Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation.
> 0
A. (-4, 2)
B. (2, ?)
C. (-?, -4) or (2, ?)
D. (-?, -4)
Answer: C
Mathematics
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Find the vertex.f(x) = (x + 5)2 - 9
A. (5, 9) B. (5, -9) C. (-5, -9) D. (-5, 9)
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Find the particular solution to the given differential equation that satisfies the given conditions.D2y - 9 Dy + 14y = 0; Dy = 0 and y = 2 when x = 0
A. y = - 
e7x + 
e2x
B. y = - 
e7x - 
e2x
C. y = 
e7x + 
e2x
D. y = 
e7x - 
e2x
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Graph the function as a solid curve and its inverse as a dashed curve.f(x) = 
x + 5
A. 
B. 
C. 
D. 
Mathematics
Use the method of cylindrical shells to find the volume of solid obtained by rotating the region bounded by the given curves about the specified axis.
y = 
, y=0, the line x = ?2
Mathematics