Use the partial sum formula to find the partial sum of the given geometric sequence.Find the sum of the first five terms of the geometric sequence 2, -8, 32, . . .
A. -410
B. -682
C. 682
D. 410
Answer: D
Mathematics
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Multiply. Write the answer as a mixed number as needed.2
? 
A. 
B. 
C. 2
D. 2
Mathematics
Sketch the graph of the given equation over the interval [-2?, 2?].y = sin 
A. 
B. 
C. 
D. 
Mathematics
Use the product rule to find the derivative. (y-2 + y-1)(4y-3 - 7y-4)
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Suppose that the labor cost for a building is approximated by 
where x is the number of days of skilled labor and y is the number of days of semiskilled labor required. Find the x and y that minimize cost C.
A. x = 24, y = 60 B. x = 40, y = 40 C. x = 20, y = 24 D. x = 20, y = 20
Mathematics