Express the sum using summation notation. Use a lower limit of summation not necessarily 1 and k for the index of summation.
+ 
+ 
+ 
+ . . . + 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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You are driving and press on the brake to decrease your velocity. What can be said regarding your acceleration? ?
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Match the function with the graph that best describes the situation.The amount of rainfall as a function of time, if the rain fell more and more softly.
A. 
B. 
C. 
D. 
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Find the average rate of change for the function between the given values.f(x) = 
; from 1 to 5
A. 
B. -28
C. - 
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