If a+bx/b+cx=b+cx/c+ax=c+ax/a+bx. shwo that each ratio is 1+x/1+y. a+b+c is not equal zero.

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.