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: D
Mathematics
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Complete the truth table by filling in the required columns.p ? ~ q 
A. 
B. 
C. 
D. 
Mathematics
For the given pair of functions, find the requested function.f(x) = 5x2 - 4x + 6 and g(x) = x - 1; (f ? g)(x)
A. -14x2 + 5x + 15 B. 5x2 + 26x + 7 C. 5x2 - 14x + 7 D. 5x2 - 14x + 15
Mathematics
Translate the stated rule or relationship to a formula.The cost, C, of renting a car is $55 plus $9.5 times the number of miles driven, x.
A. C = 55 + 9.5x B. C = 64.5x C. C = 9.5 + 55x D. C = 522.5x
Mathematics
Factor by grouping.20x2 - 16x - 15x + 12
A. (4x + 3)(5x + 4) B. (20x - 3)(x - 4) C. (20x + 3)(x + 4) D. (4x - 3)(5x - 4)
Mathematics