Use the graph of f to determine the intervals where f is increasing and where f is decreasing.
A. incr: x ? 0; decr: x ? 0
B. incr: all x
C. decr: all x
D. incr: x ? 0; decr: x ? 0
Answer: D
Mathematics
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A. x = 
B. no real solution
C. x = 1 ± 
D. x = 
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Determine whether the following is true or false.
= 
? 
A. True B. False
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Translate the phrase; then simplify.Find the difference of -27 and -9.
A. 36 B. -18 C. 18 D. -36
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Use the formula for Sn to find the sum of the first five terms of the geometric sequence.a1 = 8.622, r = 3.579 (Round to the nearest hundredth)
A. 545.19 B. -1412.26 C. 1959.86 D. 227.31
Mathematics