List the harmful effects of mercury in human body​

Explanation:

Daniel runs a boat rental business near a small river. He charges $10 per boat rental and averages 32 rentals in a day. He estimates that for every $1.00 increase in rental price, he can expect the business to lose two rentals per day. Let x represent the number of $1.00 increases in rental price. The graph for the situation is shown below. For what number of $1.00 increases to the rental fee will Daniel's boat rental business have a revenue greater than zero? Daniel's boat rental business will have a revenue greater than zero for any number of $1.00 increases greater than 16. Daniel's boat rental business will have a revenue greater than zero for any number of $1.00 increases less than 16. Daniel's boat rental business will have a revenue greater than zero for any number of $1.00 increases less than 20. Daniel's boat rental business will have a revenue greater than zero for any number of $1.00 increases greater than 20.