Answer this for 10 points

Match each graph with the correct equation from the equation bank. not all equations will be usef

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.