Four workers are hired to weed a field by hand. each is given a plot which is 10 x 7 ft in size. what is the total area of the field?

Describe the end behavior of the function below. f(x)=(2/3)^x-2 a. as x increases, f(x) approaches infinity. b. as x decreases, f(x) approaches 2. c. as x increases, f(x) approaches -2. d. as x decreases, f(x) approaches negative infinity.