It can be shown that the area enclosed between the x-axis and one arch of the sine curve is 2. Use this fact to compute the definite integral.
dx (Hint: each rectangle is 6 times as wide.)
A. 12
B. 72
C. 2
D. 6
Answer: A
Mathematics
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A. 
log8 7 - log8 8
B. 
- log8 8
C. log8 
+ log8 8
D. 
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Use < or > for ? to write a true sentence.
? 
A. > B. <
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Find the first term and the common ratio for the geometric sequence. Round approximations to the nearest hundredth.a2 = 9, a6 = 729
A. a1 = 3, r = 3 B. a1 = 9, r = 3 C. a1 = 3, r = 0.33 D. a1 = 729, r = 0.33
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Find the indicated sum. Find the sum of the first 9 terms of the geometric sequence: 
, - 
, 
, - 
, 
, . . .
A. 
B. 616
C. 
D. 
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