Find the range of the given function.f(x) = -2x2 - 8x - 12
A. (-?, -2]
B. [4, ?)
C. (-?, -4]
D. [2, ?)
Answer: C
Mathematics
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Solve the differential equation.y' - y = -xy2
A. x + 1 + C
B. 
C. x - 1 + C
D. 
Mathematics
Graph the inequality.x > -8 
A. 
B. 
C. 
D. 
Mathematics
Give the equation of the horizontal asymptote, if any, of the function. f(x) = 
A. x = 0, x = -36 B. no horizontal asymptotes C. y = 1 D. y = 0
Mathematics
Find the domain of the rational function.f(x) = 
A. all real numbers B. {x|x ? -3, x ? 3} C. {x|x ? 0, x ? -9} D. {x|x ? -3, x ? 3, x ? -9}
Mathematics