Identify the function's extreme values in the given domain, and say where they are assumed. Tell which of the extreme values, if any, are absolute.f(x) = (x + 7)2, -? < x ? 0
A. local and absolute maximum: 49 at x = 0;
local and absolute minimum: 0 at x = -7
B. no local extrema; no absolute extrema
C. local and absolute minimum: 0 at x = -7
D. local maximum: 49 at x = 0;
local and absolute absolute minimum: 0 at x = -7
Answer: D
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Find the volume of the solid generated by revolving the region about the given line.The region in the first quadrant bounded above by the line y = 3x3, below by x-axis, and on the right by the line x = 1, about the line y = - 1
A. 
?
B. 
?
C. 
?
D. 
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Solve the problem.Older bridges with the potential for structural failure make up 12.5% of all the bridges in America. If there are about 5449 such bridges, find the approximate total number of bridges. Round to the nearest whole number.
A. 43,592 bridges B. 436 bridges C. 681 bridges D. 68,113 bridges
Solve the equation symbolically.-3.7x + 17.38 = -6.3
A. -11.08 B. -23.68 C. 6.4 D. 3
Solve the problem.A rock falls from a tower that is 256 feet high. As it is falling, its height is given by the formula 
How many seconds will it take for the rock to hit the ground 
Round to the nearest tenth, if necessary.
A. 16 sec B. 4 sec C. 4096 sec D. 15.5 sec