Decide whether the expression is positive, negative or 0.-88
A. Positive
B. 0
C. Negative
Answer: C
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Find the sum of the series as a function of x.
A. 
B. 
C. - 
D. - 
Find the divergence of the field F.F = 5x5i - 6xyj - 8xzk
A. 25x4 - 6y - 8z B. 25x4 - 14x + 11 C. 25x4 - 14x D. 11
Use a graphical method to solve the system. Give x- and y-coordinates correct to the nearest hundredth.y = 
x2 + y2 = 5.7
A. x = -1.50, y = 1.86; x = 1.84, y = 1.52 B. x = -1.84, y = 1.52; x = 1.50, y = 1.86 C. x = -1.84, y = -1.52; x = 1.50, y = -1.86 D. x = -1.50, y = -1.86; x = 1.84, y = -1.52
Solve the problem.The distance, in feet, that a car travels down the side of a mountain in each consecutive second is modeled by a sequence whose general term is an = 50n - 13, where n is the number of seconds. Find the distance the car travels in the fifth second.
A. 250 ft B. 237 ft C. 187 ft D. 263 ft