Find the domain.f(x) = x3 + 9
A. {x? x is a real number and x ? 9}
B. {x? x is a real number and x ? -9}
C. {x? x is a real number and x ? 
}
D. All real numbers
Answer: D
Mathematics
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Change the order of integration and evaluate the integral.
A. 
?
B. 
?
C. 
?
D. 
?
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Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions. Foci at (
, 0), (-
, 0); asymptotes y = 2x, y = -2x
A. 
- x2 = 1
B. 
- y2 = 1
C. x2 - 
= 1
D. y2 - 
= 1
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Simplify the complex fraction.
A. 
B. 
C. 
D. 
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Use the properties of equality to solve the equation.y + 
= -8
A. 
B. - 
C. - 
D. -46
Mathematics