Which of the following is an example of a function? the price of a one-year magazine subscription and the age of the subscriber, the cost of a small dish of ice cream at an ice cream parlor and the height of the customer, the time you spend at the library and the distance to the library, the time it takes to drive to the ski resort and the speed you drive

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.