4. Function 1 Function 2
A number, y, is 3 less than
three times a number
Function 1 and Function 2
have the same rate of
change
Function 1 has a negative rate
of change

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.

Can someone me with this problem . show your work .

When only separate discreet points are graphed it is called?