Find the vertex for the parabola whose equation is given.y = -x2 + 2x - 8
A. (2, -8)
B. (-1, -9)
C. (1, -7)
D. (-1, -11)
Answer: C
Mathematics
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Find the volume of the solid generated by revolving the region about the given line.The region bounded above by the line 
, below by the curve 
, and on the right by the line 
, about the line 
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Choose the expression or equation that is equivalent to the one given.24 = x
A. log4 x = 2 B. log2 x = 4 C. logx 2 = 4 D. log2 4 = x
Mathematics
Graph the equation.y2 = -12x
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Find the mean for the amounts: 57, 63, 62, 55, 63, 58, 67, 51, 56.
A. 58.5 B. 57.8 C. 58 D. 59.1
Mathematics