Evaluate the expression for the given replacement values.
for x = 0, y = -1
A. 0
B. -1
C. 1
D. undefined
Answer: A
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By calculating an appropriate number of terms, determine if the series converges or diverges. If it converges, find the limit L and the smallest integer N such that 
for 
otherwise indicate divergence.an = n cos 
A. L = 0, N = 37 B. L = 1, N = 28 C. L = 0, N = 28 D. diverges
Solve.A special type of wire used in electronic equipment is 0.936 millimeter thick. How many centimeters thick is the wire?
A. 0.0936 cm B. 9.36 cm C. 93.6 cm D. 0.00936 cm
The Falls Incline Railway in Niagara Falls, Ontario, Canada is an inclined railway that was designed to carry people from the City of Niagara Falls to Queen Victoria Park. The railway is approximately 170 feet long with a 40% uphill grade (see figure). Using the origin of a rectangular coordinate system as the base of the inclined plane, find the equation of the line that models the railway track.
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A. 
B. 
C. 
D. 
E. 
Suppose the marginal cost for x units of a good is 
(dollars per unit) and if the fixed cost is $200. What is the total cost of producing 4 units of this good? Round your answer to the nearest dollar.
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A. 168 dollars B. 226 dollars C. 228 dollars D. 170 dollars E. 240 dollars