I don’t really understand what it’s asking but if you know, can you include a explanation so I can do it next time? Thank you!

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

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.