Determine the coordinates of the vertex by completing the square.f(x) = -2x2 - 4x - 5
A. (-1, -3)
B. (-2, -9)
C. (1, -11)
D. (2, -21)
Answer: A
Mathematics
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Find the limit.
ln
A. -ln 2 B. ln 2 C. 0 D. No limit
Mathematics
Find the surface area or volume.Use substitution and a table of integrals to find, to two decimal places, the area of the surface generated by revolving the curve 
about the x-axis.
A. 10,148.47 B. 11,342.93 C. 12,238.78 D. 9376.82
Mathematics
Determine the coordinates of the points shown. Tell in which quadrant the point lies. Assume the coordinates are integers.
A. (-4, 6); quadrant II B. (-4, 6); quadrant I C. (-4, 3); quadrant II D. (-4, 3); quadrant I
Mathematics
Multiply and simplify.x-9 ? x3 ? x-8
A. 
B. x14
C. 
D. x20
Mathematics