Suppose that the cost of producing x tablets is defined by c(x)+10x+0.2x^2 where x represents the number of tablets produced the table below represents the function

part a and b confuse me to

Well in order to lose a pound you would have to burn 1,500 calories. the more calories you burn the more weight you lose. in order to lose 2 pounds you would have to run 4 hours and 28 minutes.

Neither is the answer