（Ⅰ）将一个星期的商品销售利润表示成x的函数；
（Ⅱ）如何定价才能使一个星期的商品销售利润最大？
Are you a sports lover looking for skill development in the off-season?
Joy of the Game (JG) has been working for the past 10 years. Come and join JG to develop skills as you prepare for the next season.
Classroom Information
Ages
Boys 8th—12th Grade
Skills
All Skill Levels
Days
Sunday (A 10—week Program)
Half Day: Morning: 9:00 am—12:00 pm
Afternoon:1:00 am—4:00 pm
Sample
Schedule
Morning Period: (9:00 am—12:00 pm): Basketball, Volleyball, Floor Hockey
Lunch Break: 12:00 pm—1:00 pm (Kids Must Bring Their Own Lunch)
Afternoon Period: (1:00 pm—4:00 pm): Basketball, Floor Hockey, Soccer, Relay Races
Costs
Half Day: $ 50 per day
Full Day: $ 90 per day
已知 325.6 =18.044，那么± 3.256 =____．
