Find the first three nonzero terms of the Maclaurin expansion of the given function.f(x) = 
(ex + e-x)
A. x - x2 + x3 - ...
B. 1 + 
x2 + 
x4 + ...
C. x + 
x3 + 
x5 + ...
D. 2x + 
x3 + 
x5 + ...
Answer: B
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Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.Foci at (0, -5), (0, 5); asymptotes: y = 
x, y = - 
x
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Graph the ellipse.2x2 + 3y2 = 6
A. 
B. 
C. 
D. 
Find the perimeter. Use 3.14 for ?.
A. 22.85 in. B. 27.85 in. C. 35.7 in. D. 30.7 in.
A ship is travdetermines that the ship is between the twg stations, S? and S?, are located 300 miles apart oo stations and 40 eling on a course parallel to and 70 miles from a straight shoreline. Two transmittinn the shoreline. By timing radio signals from the stations, this ship's navigator miles closer to S? than to S?. Find the distance from the ship to each station. Round answers to one decimal place.
What will be an ideal response?