The Cost, in Thousands of Dollars, of Airing X Television $C ( x ) = 250 + 1,200 x - 0.005 x ^ { 2 }$

Multiple Choice

The cost, in thousands of dollars, of airing x television commercials during a Super Bowl game is given by the formula
$C ( x ) = 250 + 1,200 x - 0.005 x ^ { 2 }$ .

Estimate how fast (in dollars per television commercial) the cost is going up when $x = 8$ .

A) $1,200,080
B) $1,199,920
C) $1,199.92
D) $1,199,960
E) $1,200