Find the indicated series by the given operation.Find the first four nonzero terms of the expansion of the function 
by rearranging the expression to get 
where k is a constant, and adding k to the series for 
A. 3 - x + x2 - x3 + . . .
B. 2 - x + x2 - x3 + . . .
C. 1 - x + x2 - x3 + . . .
D. 2 + x - x2 + x3 - . . .
Answer: A
Mathematics
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A. x = -4
B. x = 
C. x = -4y5/2
D. x = 
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Set up an integral for the length of the curve.x = y2 + 2y, 0 ? y ? 2
A. 
B. 
C. 
D. 
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Graph the function.f(x) = log1/3(x + 4)
A. 
B. 
C. 
D. 
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Solve this problem.The time required for a passenger train to travel 240 miles is four hours less than for a freight train to travel 400 miles. The average rate of the passenger train is 10 miles per hour faster than the freight train. Find the rate of the passenger train.
A. 50 miles per hour B. 40 miles per hour C. 60 miles per hour D. 30 miles per hour
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