Solve the problem.A ship sailing parallel to shore sights a lighthouse at an angle of 15° from its direction of travel. After traveling 2 miles farther, the angle is 25°. At that time, how far is the ship from the lighthouse?
A. 1.22 mi
B. 2 mi
C. 4.87 mi
D. 2.98 mi
Answer: D
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Determine whether the following is a proportion.
= 
A. Yes B. No
Solve the problem.The number of atoms in a slice of cheese is 15,481,241,923. Round this amount to the nearest hundred-million.
A. 15,480,000,000 atoms B. 15,481,000,000 atoms C. 15,500,000,000 atoms D. 15,481,242,000 atoms
The graph of a function f is given. On the same axes, sketch the graph of f-1. 
A. 
B. 
Graph the given function f(x). Label the vertical asymptote. State the domain and range of the function.f(x) = log x
A. Vertical Asymptote: x = 0;
Domain: (0, ?); Range: (-?, ?)
B. Vertical Asymptote: y = 0;
Domain: (-?, ?); Range: (0, ?)
C. Vertical Asymptote: x = 0;
Domain: (0, ?); Range: (-?, ?)
D. Vertical Asymptote: y = 0;
Domain: (-?, ?); Range: (0, ?)