As part of a quality-control program, the chess sets manufactured by Jones Brothers are subjected to a final inspection before packing. The rate of increase in the number of sets checked per hour by an inspector t hours into the 8 A.M. to 12 noon morning shift is approximately
?
?
How many sets does the average inspector check during a morning shift? (Hint: 
.)
?
A. 196 sets
B. 185 sets
C. 193 sets
D. 189 sets
Answer: A
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Use the graph to answer the question.
Mike decides to buy shares of companies X and Y, which were initially selling for the same price. The changes in each stock's value over 90 days are shown in the graph above. When did the two stocks have the same value, other than when he bought them?
A. day 90 B. day 80 C. day 85 D. day 50
Solve the problem.A vehicle parked on the street that is 4 feet tall casts a shadow 16 feet long. At the same time, a house nearby casts a shadow 64 feet long. Find the height of the house.
A. 16 ft B. 18 ft C. 20 ft D. 8 ft
List the potential rational zeros of the polynomial function. Do not find the zeros.f(x) = -4x4 + 2x2 - 3x + 6
A. ± 
, ± 
, ± 
, ± 
, ± 
, ± 1, ± 2, ± 4
B. ± 
, ± 
, ± 
, ± 
, ± 1, ± 2, ± 3, ± 4, ± 6
C. ± 
, ± 
, ± 
, ± 
, ± 
, ± 1, ± 2, ± 3, ± 6
D. ± 
, ± 
, ± 
, ± 
, ± 1, ± 2, ± 3, ± 6
Decide whether the limit exists. If it exists, find its value.
f(x)
A. 5 B. 5 and -4 C. 0 D. Does not exist