The change in a variable per unit time divided by the value of the variable prior to the change. Example: rising from 10 to 20 the rate of change is (20-10)/10=10/10=a rate of change of 1.
RATE OF CHANGE: “The rate of change in the variable was 1.”
The change in a variable per unit time divided by the value of the variable prior to the change. Example: rising from 10 to 20 the rate of change is (20-10)/10=10/10=a rate of change of 1.
RATE OF CHANGE: “The rate of change in the variable was 1.”