Find the indicated sum. If necessary, round to four decimal places.S9 for the geometric sequence 
, 
, 
, . . .
A. 511
B. -5.3229
C. 5.3125
D. 42.5833
Answer: D
Mathematics
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Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the y-axis.y = 7
, y = 0, x = 1
A. 
?
B. 35?
C. 14?
D. 
?
Mathematics
Perform the indicated operation. Write the result in standard form.(9 + 8i) - (-8 - 8i) - (-4 - 2i)
A. 21 - 2i B. 21 + 18i C. -3 - 2i D. 13 + 14i
Mathematics
Factor.x2 + 10x + 9
A. (x - 1)(x + 9) B. (x + 1)(x - 9) C. (x - 1)(x - 9) D. (x + 1)(x + 9)
Mathematics
Use an end behavior diagram (
, 
, 
, or 
) to describe the end behavior of the graph of the function.P(x) = -2.39x4 - x3 + x2 - 9x + 1
A. 
B. 
C. 
D. 
Mathematics