Express the sum using summation notation.
- 
+ 
- ... + (-1)(11 + 1) 
11
A. 
k
B. 
k
C. 
D. 
k
Answer: A
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Solve the problem.Consider the sequence AN defined by A1 = 5, A2= 5, AN = AN-1 + AN-2. As the values of N get large, the ratios AN+1/AN approach
A. ?. B. 25?. C. ? + 5. D. 5?. E. none of these
Multiply or divide.
A. -1.7 B. -17 C. -0.7 D. -7
Convert the measurement as indicated.35 qt = 
gal 
qt
A. 128 gal 3 qt B. 8 gal 1 qt C. 8 gal 3 qt D. 17 gal 1 qt
Solve the problem.A formula used to determine the velocity v in feet per second of an object (neglecting air resistance) after it has fallen a certain height is 
where g is the acceleration due to gravity and h is the height the object has fallen. If the acceleration g due to gravity on Earth is approximately 32 feet per second, find the velocity of a bowling ball after it has fallen 30 feet. (Round to the nearest tenth.)
A. 43.8 ft/sec B. 7.7 ft/sec C. 1920 ft/sec D. 31.0 ft/sec