Express the sum using summation notation with a lower limit of summation not necessarily 1 and with k for the index of summation.3 + 
+ 4 + 
+ ... + 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the problem.One side of a parallelogram is 11 feet and another side is 13 feet. The angle between these two sides is 50°. Find the lengths of the diagonals of the parallelogram to the nearest tenth of a foot.
A. 14.1 ft; 19.5 ft B. 10.3 ft; 21.8 ft C. 106.2 ft; 473.8 ft D. 14.4 ft; 10.3 ft
Mathematics
Decide whether or not the functions are inverses of each other.f(x) = x3 - 2, g(x) =
A. No B. Yes
Mathematics
Solve the equation.
A. 1, 4 , 3 B. 0, 4, 3 C. 4 , 3 D. -4, -3 E. 0, -4 , -3
Mathematics
Use the formulas 
= 
, 
= 
, and 
= 
2 to find the sum.
A. 4125 B. 14,355 C. 11,625 D. 5280
Mathematics