Write out the sum.
A. 1 + 2 + 3 + ... + n
B. 3 + 12 + 27 + ... + 
C. 
D. 
+ 
+ 3 + ... + 
Answer: D
Mathematics
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Find the value of the logarithmic function.log8 
A. 2 B. -2 C. 8 D. -8
Mathematics
Use the graph of f to evaluate the given expression(s).f(-1) and f(0)
A. f(-1) = 0 and f(0) = -1 B. f(-1) = -1 and f(0) = 0 C. f(-1) = 0 and f(0) = 1 D. f(-1) = 1 and f(0) = 0
Mathematics
Solve the problem.The speed of a stream is 6 mph. If a boat travels 84 miles downstream in the same time that it takes to travel 42 miles upstream, what is the speed of the boat in still water?
A. 12 mph B. 20 mph C. 21 mph D. 18 mph
Mathematics
Perform the indicated operation.u = 
5u + 0
A. 
B. 
C. 
D. 0
Mathematics