Express the sum using summation notation with a lower limit of summation not necessarily 1 and with k for the index of summation.
+ 
+ 
+ 
+... + 
A. 
B. 
C. 
D. 
Answer: D
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Simplify the exponential expression.
A. 9x23
B. 
C. 
D. 9x3
Solve the problem.The position of an object moving in a straight line is given by 
where s is in meters and t is the time in seconds the object has been in motion. How far will an object move in 8 seconds?
A. 32 m B. 256 m C. 480 m D. 192 m
Use the figure below to answer the following question(s).
Vertex A is adjacent to
A. every other vertex. B. vertex D only. C. vertex B and vertex E only. D. vertex C and vertex D only. E. none of these
Solve the problem.At SuperStop, gasoline costs 
per gallon when you pay with a credit card, 
per gallon less when you pay with cash. How much money will it cost to fill a 15-gallon tank if you pay with cash?
A. $17.78 B. $16.95 C. $16.25 D. $17.85