Answer:
A: ( -10, -6,000) ( -5, 1,000) ( 0, 2,000) ( 10, 2,000) ( 30, 4,000) ( 50, 8,000) ( 70, 4,000) ( 80, 3,000) ( 90, 1,000) ( 100, 0)
B: when the weather is a medium and tolerable temperature there is a increase in daily profit, if the weather is too hot or cold the daily profit will decrease
C: just take four of the points i listed above and fill them in ( the points listed above are the table- a X and Y table)
