The cost, in thousands of dollars, of airing x television commercials during a Super Bowl game is given by the formula
?
.
?
Estimate how fast (in dollars per television commercial) the cost is going up when 
.
?
A. $1,200,080
B. $1,199,920
C. $1,199.92
D. $1,199,960
E. $1,200
Answer: B
Mathematics
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