What is the difference in the maximum amounts of profit the two carnivals can make?
The function f(x) = -0.5x2 + 5x - 6 models the profit, in thousands of
dollars, a carnival makes if it sells x thousands of tickets. This table shows
the amount of profit another carnival makes based on the number of
tickets sold. The function in the table is quadratic.
$100
Tickets Sold
(in thousands)
Profit
(thousands of 5)
B) $500
0
-8.0
2
1.6
$1,000
4
6.4
5
7.0
6.4
D
6
$1,500
8
1.6
10
-8.0