Write the sum in summation notation.-6 + 7 - 8 + . . . + 27

A.
B.
C.
D.


Answer: A

Mathematics

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What is the minimum value of ? Restrict your attention to the horizontal span of 0 to 20. Round your answer to two decimal places. ?

A. -74.69 B. 5.47 C. -70.70 D. 4.44

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Convert the numeral to a numeral in the base indicated.72,578 to base 15

A. 1678815 B. 1768815 C. 1068815 D. 1608815

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The function f is one-to-one. Find its inverse.f(x) = 8x2 + 5, x ? 0

A. f-1(x) = 
B. f-1(x) = -  
C. f-1(x) =  
D. f-1(x) = 

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Is it more profitable to receive $5000 now or $8400 is 13 years? Assume that money can earn 4% interest compounded quarterly.

A. $8400 in 13 years B. $5000 now

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