The fourth partial sum of the sequence 6, 3, 1.5, 0.75, ... is __________.
A. 
B. 
C. 0.75
D. 6 + 3 + 1.5 + 0.75 = 11.25
Answer: D
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Find all the local maxima, local minima, and saddle points of the function.
A. f(45, 45) = 151,875, local maximum; f(0, 0) = 0, local minimum B. f(45, 45) = 151,875, local maximum C. f(9, 5) = 9211, saddle point; f(5, 9) = 6075, saddle point D. f(0, 0) = 0, local minimum
Use the bar graph to solve the problem.The bar graph below shows the numbers of various colors of cars owned by the employees of a certain business. Which two pairs of cars are in the ratio 
?
A. Yellow to Green and Tan to White B. Tan to Green and Black to White C. Tan to Green and White to Red D. Tan to Black and Black to Red
Find the magnitude and direction angle (to the nearest tenth) for each vector. Give the measure of the direction angle as an angle in [0,360°].
A. 13; 157.4° B. 15; 157.4° C. 13; 112.6° D. 13; 22.6°
Divide.
A. -6t2 - 2t + 3 B. -6t2 + 3t + 3 C. -6t2 - 3t + 3 D. -6t2 - 3t - 3