Use the quotient rule to simplify. Assume all variables represent positive real numbers.
A. 
B. x 
C. 16x
D. 
Answer: A
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Find the limit.
ln
A. -ln 2 B. 0 C. ln 2 D. No limit
Graph the inequality on a number line. Then write the solution using interval notation.x > -5
A. (-?, -5]
B. [-5, ?)
C. (-5, ?)
D. (-?, -5)
Solve the problem.The population of a town was 33,100 at the beginning of 1970. If the population decreased 300 people per year, how many people lived in the town at the beginning of 1985?
A. 28,300 B. 4500 C. 28,600 D. 28,900
Solve the problem.The viewing angle for a camera is given (in degrees) by 
where x is the focal length of the lens. The focal length on most adjustable cameras is marked in millimeters on the lense mount. Find the viewing angle, in degrees, if the focal length is 180 millimeters.
A. 135.0° B. 17.1° C. 5.7° D. 252.9°